/* ==========================================================================
   MyMindSpace — Premium Modern Design System & CSS Stylesheet
   ========================================================================== */

/* --- Custom Properties & Design Tokens --- */
:root {
  /* Color Palette (Aesthetic Dark Theme) */
  --bg-primary: #0a090d;
  --bg-secondary: #121016;
  --bg-glass-rgb: 18, 16, 22;
  --card-opacity: 0.50;
  --bg-glass: rgba(var(--bg-glass-rgb), var(--card-opacity));
  --bg-glass-active: rgba(255, 255, 255, 0.05);
  
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-glass-hover: rgba(255, 255, 255, 0.15);
  --border-focus: #a855f7; /* Soft purple */
  
  --text-primary: #f3f1f5;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-purple: #a855f7;
  --accent-purple-glow: rgba(168, 85, 247, 0.25);
  --accent-pink: #ec4899;
  --accent-blue: #3b82f6;

  /* Fonts */
  --font-sans: 'Outfit', 'Inter', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  /* Layout & Sizing */
  --sidebar-width: 280px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  /* Easing */
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-premium);
  --transition-normal: 0.4s var(--ease-premium);
  --transition-slow: 0.8s var(--ease-premium);
}


/* --- Base Resets & Global Styles --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  min-block-size: 100dvb;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.modal-open {
  overflow: hidden;
}

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

a {
  text-decoration: none;
  color: inherit;
}

/* --- Ambient Animated Background Blur Orbs --- */
.bg-blur {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.18;
  mix-blend-mode: screen;
}

@media (max-width: 1024px) {
  .bg-blur {
    display: none !important;
  }
}

.bg-blur--1 {
  inline-size: 400px;
  block-size: 400px;
  background-color: var(--accent-purple);
  top: -100px;
  left: 20%;
  animation: floatOrb 25s ease-in-out infinite alternate;
}

.bg-blur--2 {
  inline-size: 500px;
  block-size: 500px;
  background-color: var(--accent-pink);
  bottom: -150px;
  right: 10%;
  animation: floatOrb 30s ease-in-out infinite alternate-reverse;
}

.bg-blur--3 {
  inline-size: 350px;
  block-size: 350px;
  background-color: var(--accent-blue);
  top: 40%;
  left: -100px;
  animation: floatOrb 20s ease-in-out infinite alternate;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, 40px) scale(1.1); }
  100% { transform: translate(-30px, -60px) scale(0.9); }
}

/* --- Premium Custom Scrollbar --- */
::-webkit-scrollbar {
  inline-size: 8px;
  block-size: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* --- Custom Scrollbar Gutter Stabilization --- */
html {
  scrollbar-gutter: stable;
}

/* --- Loader Spinner Overlay --- */
.loader-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  transition: opacity var(--transition-normal);
}

.loader-content {
  text-align: center;
}

.loader-logo {
  color: var(--accent-purple);
  margin-block-end: 20px;
}

.glowing-logo {
  inline-size: 60px;
  block-size: 60px;
  filter: drop-shadow(0 0 15px var(--accent-purple-glow));
  animation: pulseLogo 2s ease-in-out infinite;
}

@keyframes pulseLogo {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.08); opacity: 1; filter: drop-shadow(0 0 25px var(--accent-purple)); }
}

.loader-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  margin-block-end: 8px;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.loader-sub {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* --- Landing / Login Screen --- */
.landing-container {
  display: flex;
  flex-direction: column;
  min-block-size: 100dvb;
  padding: 40px;
  max-inline-size: 1200px;
  margin: 0 auto;
}

.landing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 40px;
}

.landing-header .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.btn-settings-landing {
  background-color: var(--bg-glass-active);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.btn-settings-landing:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--border-glass-hover);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.05);
}

.brand-logo {
  inline-size: 32px;
  block-size: 32px;
  color: var(--accent-purple);
}

.landing-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  max-inline-size: 680px;
  padding-block: 80px;
}

.landing-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.05em;
  margin-block-end: 24px;
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-subtitle {
  color: var(--text-secondary);
  font-size: 1.2rem;
  line-height: 1.6;
  margin-block-end: 40px;
}

.landing-subtitle strong {
  color: var(--text-primary);
}

.login-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* --- App Container Grid --- */
.app-container {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-block-size: 100dvb;
}

/* --- Sidebar --- */
.sidebar {
  background: var(--bg-glass);
  border-inline-end: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
  position: sticky;
  top: 0;
  block-size: 100vh;
  z-index: 10;
}

@media (min-width: 1025px) {
  .sidebar {
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
  }
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-block-end: 48px;
}

.sidebar-brand .brand-logo {
  inline-size: 28px;
  block-size: 28px;
}

.sidebar-brand .brand-name {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
  overflow-y: auto;
}

.nav-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-block-end: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
  background-color: var(--bg-glass-active);
  color: var(--text-primary);
}

.nav-item.active {
  box-shadow: inset 3px 0 0 var(--accent-purple);
}

.nav-icon {
  font-size: 1.1rem;
}

.btn-action-small {
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 4px;
  transition: var(--transition-fast);
}

.btn-action-small:hover {
  color: var(--text-primary);
}

.folders-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.folder-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.folder-nav-item:hover, .folder-nav-item.active {
  background-color: var(--bg-glass-active);
  color: var(--text-primary);
}

.btn-delete-folder {
  background: none;
  border: none;
  padding: 2px 6px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 1025px) {
  .btn-delete-folder {
    opacity: 0;
  }
  .folder-nav-item:hover .btn-delete-folder {
    opacity: 0.6;
  }
  .folder-nav-item:hover .btn-delete-folder:hover {
    opacity: 1;
    color: var(--accent-pink);
  }
}

.folder-nav-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.folder-dot {
  inline-size: 8px;
  block-size: 8px;
  border-radius: 50%;
}

.folder-count {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-footer {
  margin-block-start: auto;
  border-block-start: 1px solid var(--border-glass);
  padding-block-start: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  inline-size: 40px;
  block-size: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-glass);
  object-fit: cover;
}

.user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-name {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-inline-size: 140px;
}

.sync-badge {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sync-dot {
  inline-size: 6px;
  block-size: 6px;
  border-radius: 50%;
  background-color: #10b981; /* Green */
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.sync-badge.syncing .sync-dot {
  background-color: #f59e0b; /* Amber */
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.6);
  animation: pulseSyncDot 1s infinite alternate;
}

@keyframes pulseSyncDot {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.4); opacity: 1; }
}

.sync-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-actions {
  display: flex;
  gap: 8px;
}

.btn-footer {
  flex: 1;
  background-color: var(--bg-glass-active);
  border: 1px solid var(--border-glass);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: center;
  transition: var(--transition-fast);
}

.btn-footer:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--border-glass-hover);
}

.btn-footer,
.btn-mobile-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-footer svg,
.btn-mobile-action svg {
  display: block;
  width: 18px;
  height: 18px;
}

/* --- Workspace Layout --- */
.workspace {
  display: flex;
  flex-direction: column;
  padding: 40px;
  block-size: 100vh;
  overflow-y: auto;
}

.workspace-header {
  margin-block-end: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.welcome-greeting {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-secondary);
  text-align: center;
  margin-block-end: 4px;
  opacity: 0.95;
  letter-spacing: -0.01em;
}

.welcome-greeting span {
  font-weight: 600;
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-greeting {
  display: none;
}

.search-container {
  position: relative;
  max-inline-size: 640px;
  inline-size: 100%;
}

#search-input {
  inline-size: 100%;
  background-color: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 16px 24px;
  padding-inline-end: 64px;
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 400;
  transition: var(--transition-fast);
}

@media (min-width: 1025px) {
  #search-input {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

#search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.12);
  background-color: rgba(18, 16, 22, 0.8);
}

.search-shortcuts {
  position: absolute;
  inset-inline-end: 20px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.shortcut-badge {
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--bg-glass-active);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.search-loader-indicator {
  position: absolute;
  inset-inline-end: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-purple);
  pointer-events: none;
}

.search-container.ai-searching #search-input {
  border-color: var(--accent-purple);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.35);
  background-color: rgba(18, 16, 22, 0.85);
  animation: searchGlowPulse 1.5s ease-in-out infinite alternate;
}

@keyframes searchGlowPulse {
  0% {
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.5);
  }
  100% {
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.6);
    border-color: rgba(168, 85, 247, 1);
  }
}

.search-container.ai-searching .search-shortcuts {
  display: none;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* --- Masonry Canvas layout (Modern Multi-column) --- */
.canvas-container {
  flex: 1;
}

.mind-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  inline-size: 100%;
  margin: 0 auto;
}

.mind-card {
  background-color: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-block-end: 20px;
  transition: transform var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

@media (min-width: 1025px) {
  .mind-card {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
}

.mind-card:hover {
  transform: translateY(-4px) scale(1.01);
  border-color: var(--border-glass-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

/* Card Type: Quotes */
.mind-card--quote {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.4;
  font-style: italic;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.05) 0%, rgba(18, 16, 22, 0.6) 100%);
  border-inline-start: 3px solid var(--accent-purple);
}

.card-quote-text {
  position: relative;
}

.card-quote-author {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* Card Type: Notes */
.mind-card--note {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Card Type: To-Dos */
.mind-card--todo {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-note-title {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  margin-block-end: 4px;
}

.card-note-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-block-start: 8px;
}

/* Card Type: Colors */
.mind-card--color {
  padding: 0;
  overflow: hidden;
}

.card-color-swatch {
  inline-size: 100%;
  block-size: 120px;
  transition: var(--transition-fast);
}

.mind-card--color:hover .card-color-swatch {
  block-size: 140px;
}

.card-color-meta {
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-color-hex {
  font-family: monospace;
  font-size: 1rem;
  font-weight: 600;
}

.card-color-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Card Type: Articles */
.mind-card--article {
  padding: 0;
}

.card-article-thumb {
  inline-size: 100%;
  block-size: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-block-end: 1px solid var(--border-glass);
}

.card-article-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-article-title {
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.4;
  letter-spacing: -0.02em;
  /* line-clamp */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  overflow: clip;
}

.card-article-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  overflow: clip;
}

.card-article-source {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-start: 4px;
}

/* Card Sub-Elements: Tags on Card */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-block-start: 12px;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-start: 12px;
}

.card-meta .card-tags {
  margin-block-start: 0;
}

.card-date {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.card-tag {
  font-size: 0.7rem;
  font-weight: 500;
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
}

.detail-tags-list {
  display: none !important;
}

/* --- Floating Add Button --- */
.floating-add-container {
  position: fixed;
  bottom: 40px;
  inset-inline-end: 40px;
  z-index: 50;
}

.floating-add-btn {
  inline-size: 56px;
  block-size: 56px;
  border-radius: 50%;
  background-color: var(--accent-purple);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 8px 24px rgba(168, 85, 247, 0.4);
  cursor: pointer;
  transition: transform var(--transition-normal), background-color var(--transition-fast);
}

.floating-add-btn:hover {
  transform: rotate(90deg) scale(1.08);
  background-color: #9333ea;
  box-shadow: 0 12px 30px rgba(168, 85, 247, 0.6);
}

.floating-add-container.open .floating-add-btn {
  transform: rotate(135deg);
  background-color: var(--text-muted);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* --- Speed Dial Sub-Buttons --- */
.sub-add-buttons {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  position: absolute;
  bottom: 72px;
  inset-inline-end: 0;
  pointer-events: none;
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  transition: opacity 0.3s var(--ease-premium), transform 0.3s var(--ease-premium);
}

.floating-add-container.open .sub-add-buttons {
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.sub-add-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(26, 24, 33, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 10px 18px;
  border-radius: 24px;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  white-space: nowrap;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.2s var(--ease-premium), background 0.2s var(--ease-premium), border-color 0.2s var(--ease-premium), box-shadow 0.2s var(--ease-premium);
}

.sub-add-btn span {
  font-family: var(--font-sans);
}

.sub-add-btn:hover {
  transform: translateY(-2px) scale(1.04);
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  box-shadow: 0 12px 24px rgba(168, 85, 247, 0.4);
}

.floating-add-container.open .sub-add-buttons .sub-add-btn:nth-child(1) {
  transition-delay: 0.03s;
}
.floating-add-container.open .sub-add-buttons .sub-add-btn:nth-child(2) {
  transition-delay: 0.08s;
}
.floating-add-container.open .sub-add-buttons .sub-add-btn:nth-child(3) {
  transition-delay: 0.13s;
}

/* --- Modal Overlays & Dialogs --- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

@media (max-width: 768px) {
  .modal {
    padding: calc(12px + env(safe-area-inset-top, 0px)) 12px calc(12px + env(safe-area-inset-bottom, 0px)) 12px;
  }
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(6, 5, 8, 0.85); /* Slightly darker for contrast without blur */
  transition: opacity var(--transition-fast);
}

@media (min-width: 1025px) {
  .modal-backdrop {
    background-color: rgba(6, 5, 8, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

.modal-panel {
  position: relative;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  inline-size: 100%;
  max-inline-size: 560px;
  max-block-size: calc(100vh - 40px);
  max-block-size: calc(100dvh - 40px);
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  z-index: 101;
  animation: modalIn var(--transition-normal);
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

@media (max-width: 768px) {
  .modal-panel {
    border-radius: var(--radius-md);
    max-block-size: calc(100vh - 24px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    max-block-size: calc(100dvh - 24px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
  }
}

@keyframes modalIn {
  0% { transform: translateY(30px) scale(0.95); opacity: 0; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-panel--add {
  max-inline-size: 600px;
}

.modal-panel--small {
  max-inline-size: 400px;
}

.modal-panel--detail {
  max-inline-size: 720px;
}

.modal-header {
  padding: 24px 32px;
  border-block-end: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 768px) {
  .modal-header {
    padding: 16px 20px;
  }
}

.modal-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.btn-close {
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 8px; /* Larger hit target for mobile */
  margin: -8px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 32px;
  overflow-y: auto;
  flex: 1 1 auto; /* Grow/shrink dynamically */
}

@media (max-width: 768px) {
  .modal-body {
    padding: 20px;
  }
}

.modal-footer {
  padding: 24px 32px;
  border-block-start: 1px solid var(--border-glass);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  align-items: center;
}

@media (max-width: 768px) {
  .modal-footer {
    padding: 16px 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  
  .detail-tags-list {
    margin-inline-end: 0;
  }
  
  .detail-actions {
    display: flex;
    justify-content: stretch;
    width: 100%;
  }
  
  .detail-actions .btn {
    flex: 1;
    text-align: center;
    justify-content: center;
  }
}

/* Add Textarea */
#add-input {
  inline-size: 100%;
  block-size: 160px;
  resize: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.1rem;
  line-height: 1.5;
  border: none;
  margin-block-end: 20px;
}

.add-meta-options {
  border-block-start: 1px solid var(--border-glass);
  padding-block-start: 20px;
}

/* Forms & Inputs */
.form-label, .select-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-block-end: 20px;
}

.form-label span, .select-label span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-label input, .select-label select {
  background-color: var(--bg-glass);
  border: 1px solid var(--border-glass);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}
.select-label select option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.form-label input:focus, .select-label select:focus {
  border-color: var(--border-focus);
}

.settings-section {
  margin-block-end: 32px;
}

.settings-title {
  font-size: 1rem;
  font-weight: 700;
  margin-block-end: 8px;
  color: var(--text-primary);
}

.settings-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-block-end: 16px;
  line-height: 1.4;
}

/* Small Folder Modal Styling */
.folder-styling-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* --- Premium Button Classes --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn--large {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn--small {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn--primary {
  background-color: var(--accent-purple);
  color: #fff;
  box-shadow: 0 4px 12px var(--accent-purple-glow);
}

.btn--primary:hover {
  background-color: #9333ea;
  box-shadow: 0 6px 16px rgba(168, 85, 247, 0.45);
}

.btn--secondary {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.btn--secondary:hover {
  background-color: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.btn--ghost {
  color: var(--text-secondary);
}

.btn--ghost:hover {
  background-color: var(--bg-glass-active);
  color: var(--text-primary);
}

.btn--danger {
  background-color: #ef4444;
  color: #fff;
}

.btn--danger:hover {
  background-color: #dc2626;
}

.ai-status-indicator {
  margin-inline-end: auto;
  font-size: 0.85rem;
  color: var(--accent-purple);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sparkle-icon {
  animation: rotateSparkle 2s linear infinite;
}

@keyframes rotateSparkle {
  0% { transform: rotate(0); }
  100% { transform: rotate(360deg); }
}

/* --- Detail Modal Elements --- */
.detail-type-badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-glass-active);
  color: var(--accent-purple);
  border: 1px solid var(--border-glass);
}

.detail-tags-list {
  margin-inline-end: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap; /* Keep open, edit, and delete on the same row */
}

/* Details Page Typography */
.detail-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.detail-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.detail-source-link {
  font-size: 0.85rem;
  color: var(--accent-purple);
  align-self: flex-start;
}

.detail-summary-box {
  background-color: rgba(255, 255, 255, 0.02);
  border-inline-start: 4px solid var(--accent-purple);
  padding: 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 1.05rem;
  line-height: 1.6;
}

.detail-summary-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-block-end: 8px;
}

.detail-body-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre-wrap;
}

/* Markdown Rendering Styling */
.detail-body-text.markdown-rendered {
  white-space: normal;
  color: var(--text-primary);
}

.detail-body-text.markdown-rendered h1,
.detail-body-text.markdown-rendered h2,
.detail-body-text.markdown-rendered h3,
.detail-body-text.markdown-rendered h4 {
  color: #fff;
  margin-block-start: 1.4rem;
  margin-block-end: 0.7rem;
  font-weight: 600;
  line-height: 1.3;
}

.detail-body-text.markdown-rendered h1 { font-size: 1.6rem; border-block-end: 1px solid var(--border-glass); padding-block-end: 8px; }
.detail-body-text.markdown-rendered h2 { font-size: 1.35rem; }
.detail-body-text.markdown-rendered h3 { font-size: 1.15rem; }
.detail-body-text.markdown-rendered h4 { font-size: 1rem; }

.detail-body-text.markdown-rendered p {
  margin-block-end: 1.2rem;
}

.detail-body-text.markdown-rendered ul,
.detail-body-text.markdown-rendered ol {
  margin-block-start: 0.5rem;
  margin-block-end: 1.2rem;
  padding-inline-start: 24px;
}

.detail-body-text.markdown-rendered li {
  margin-block-end: 0.4rem;
}

.detail-body-text.markdown-rendered blockquote {
  border-inline-start: 4px solid var(--accent-purple);
  margin: 1.5rem 0;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-secondary);
  font-style: italic;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.detail-body-text.markdown-rendered code {
  font-family: monospace;
  background: rgba(255, 255, 255, 0.08);
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent-pink);
}

.detail-body-text.markdown-rendered pre {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-glass);
  padding: 16px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1.2rem 0;
}

.detail-body-text.markdown-rendered pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 0.9rem;
}

.detail-body-text.markdown-rendered a {
  color: var(--accent-purple);
  text-decoration: none;
  border-block-end: 1px dashed var(--accent-purple);
  transition: color var(--transition-fast);
}

.detail-body-text.markdown-rendered a:hover {
  color: #c084fc;
  border-block-end-style: solid;
}

.detail-key-points {
  margin-block-start: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-point-item {
  display: flex;
  gap: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.detail-point-bullet {
  color: var(--accent-purple);
}

/* Detail Card Type SPECIFICS */
.detail-color-large {
  inline-size: 100%;
  block-size: 200px;
  border-radius: var(--radius-md);
  margin-block-end: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: monospace;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.detail-quote-display {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  line-height: 1.35;
  font-style: italic;
  padding: 40px;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.04) 0%, transparent 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  text-align: center;
  position: relative;
}

.detail-quote-author {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-style: normal;
  font-weight: 700;
  text-transform: uppercase;
  margin-block-start: 24px;
  color: var(--text-secondary);
}

/* --- Empty state Styling --- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-block: 120px;
  text-align: center;
}

.empty-icon {
  font-size: 4rem;
  margin-block-end: 20px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-block-end: 8px;
}

.empty-state p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-inline-size: 320px;
  line-height: 1.5;
}

/* --- Responsive Adjustments --- */
/* --- Mobile Responsive Layout & Elements --- */
.mobile-header {
  display: none;
}

/* Sidebar Overlay Styling (defaults to hidden on desktop) */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

@media (min-width: 1025px) {
  .sidebar-overlay {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
}

.sidebar-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 1024px) {
  .welcome-greeting {
    display: none !important;
  }

  .sidebar-greeting {
    display: block;
    margin-block-start: -32px;
    margin-block-end: 24px;
    padding-inline: 4px;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.4;
  }

  .sidebar-greeting span {
    font-weight: 600;
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .app-container {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: -290px; /* Hidden offscreen by default on mobile */
    width: 280px;
    height: 100vh;
    height: 100dvh; /* Use dynamic viewport height to avoid bottom bar occlusion */
    background: var(--bg-secondary); /* Solid background on mobile to prevent overlapping content transparency */
    z-index: 100;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.3);
    border-inline-end: 1px solid var(--border-glass-hover);
    display: flex; /* Ensure display is flex overriding display: none */
    padding-top: calc(32px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(32px + env(safe-area-inset-bottom)); /* Offset home indicator and dynamic bottom bars */
  }

  .sidebar.open {
    transform: translateX(290px); /* Slide in drawer */
  }

  .mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(16px + env(safe-area-inset-top)) 20px 16px 20px;
    background: rgba(10, 9, 13, 0.95);
    border-block-end: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 40;
  }

  .mobile-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: -0.04em;
  }

  .mobile-brand .brand-logo {
    inline-size: 28px;
    block-size: 28px;
  }

  .mobile-header-actions {
    display: flex;
    gap: 12px;
  }

  .btn-mobile-action {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 4px;
    color: var(--text-primary);
  }

  /* Reduce space on mobile */
  .workspace {
    padding-block: 0 40px;
    padding-inline: 0;
  }

  .workspace-header {
    padding: 0 20px;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease, margin-bottom 0.3s ease;
    margin-block-end: 0;
  }

  .workspace-header.search-open {
    padding: 16px 20px;
    max-height: 100px;
    opacity: 1;
    margin-block-end: 16px;
  }

  .search-shortcuts {
    display: none;
  }

  #search-input {
    padding-inline-end: 24px; /* Expand text area since shortcut badge is hidden */
  }

  .canvas-container {
    padding: 0 20px 80px 20px;
  }

  .floating-add-container {
    bottom: 24px;
    right: 24px; /* Using right instead of inset-inline-end for iOS compatibility */
  }

  /* Landing Page mobile responsive scaling */
  .landing-container {
    padding: calc(24px + env(safe-area-inset-top)) 24px 24px 24px;
  }

  .landing-title {
    font-size: 2.2rem !important;
    line-height: 1.2;
  }

  .landing-subtitle {
    font-size: 1rem;
    margin-block-end: 28px;
  }

  .landing-main {
    padding-block: 40px;
  }
}

/* Card Placeholder / Shimmer Animation */
.mind-card--placeholder {
  background: var(--bg-card-glass);
  border: 1px dashed var(--border-glass);
  position: relative;
  overflow: clip;
  min-block-size: 140px;
  cursor: wait;
}

.card-placeholder-shimmer {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
}

.card-placeholder-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.sparkle-icon-animated {
  animation: pulse-sparkle 1.5s infinite ease-in-out;
  font-size: 1.1rem;
  display: inline-block;
}

.card-placeholder-line {
  block-size: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--bg-glass-accent) 25%, var(--border-glass) 50%, var(--bg-glass-accent) 75%);
  background-size: 200% 100%;
  animation: shimmer-swipe 1.5s infinite linear;
}

.card-placeholder-line--long {
  inline-size: 85%;
}

.card-placeholder-line--short {
  inline-size: 50%;
}

@keyframes pulse-sparkle {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.2) rotate(15deg); opacity: 1; filter: drop-shadow(0 0 4px var(--accent-light)); }
}

@keyframes shimmer-swipe {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- To-Do / Checklist Styling --- */
.card-todo-item, .detail-todo-item {
  transition: opacity var(--transition-fast);
}

.card-todo-item:hover, .detail-todo-item:hover {
  opacity: 0.95;
}

.card-todo-checkbox, .detail-todo-checkbox {
  accent-color: var(--accent-purple);
  cursor: pointer;
}

.card-todo-text, .detail-todo-text {
  font-weight: 400;
  transition: color var(--transition-fast), text-decoration var(--transition-fast);
}

.card-todo-text.completed, .detail-todo-text.completed {
  color: var(--text-muted);
  text-decoration: line-through;
}

/* --- Touch Response & Accessibility --- */
.mind-card,
.btn,
.btn-close,
.sidebar-nav-item,
.card-todo-checkbox,
.detail-todo-checkbox,
label {
  touch-action: manipulation;
}

/* --- Session Expired Banner --- */
.session-expired-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-md);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(168, 85, 247, 0.15);
  z-index: 1000;
  animation: slideUp var(--transition-normal);
  font-size: 0.95rem;
  color: var(--text-primary);
  border-color: var(--accent-purple);
}

@keyframes slideUp {
  0% { transform: translate(-50%, 100px); opacity: 0; }
  100% { transform: translate(-50%, 0); opacity: 1; }
}

@media (max-width: 768px) {
  .session-expired-banner {
    width: calc(100% - 32px);
    flex-direction: column;
    text-align: center;
    gap: 12px;
    padding: 16px;
    bottom: 16px;
  }
}

/* ==========================================================================
   Google Keep Inspired Features (Pinning & Color Coding)
   ========================================================================== */

/* --- Card Tutorial Badge --- */
.card-tutorial-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--accent-purple-glow);
  border: 1px solid rgba(168, 85, 247, 0.4);
  color: #e9d5ff;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 9999px;
  z-index: 10;
  pointer-events: none;
}

/* --- Card Pin Button --- */
.card-pin-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: opacity var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  opacity: 0;
  z-index: 10;
}

.mind-card:hover .card-pin-btn,
.card-pin-btn.is-pinned {
  opacity: 1;
}

@media (max-width: 768px) {
  .card-pin-btn {
    opacity: 0.6;
  }
  .card-pin-btn.is-pinned {
    opacity: 1;
  }
}

.card-pin-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

.card-pin-btn.is-pinned {
  color: var(--accent-purple);
  background: rgba(168, 85, 247, 0.1);
  border-color: rgba(168, 85, 247, 0.3);
}

/* --- Detail Modal Pin Button --- */
.btn-detail-action {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-detail-action:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.btn-detail-action.is-pinned {
  color: var(--accent-purple);
  background: rgba(168, 85, 247, 0.1);
}

/* --- Color Picker Swatches --- */
.color-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.color-swatch:hover {
  transform: scale(1.15);
}

.color-swatch.active {
  border-color: #fff;
  transform: scale(1.1);
}

.color-swatch--default {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-glass) !important;
}
.color-swatch--default.active {
  border: 2px solid #fff !important;
}
.color-swatch--red { background-color: #ef4444; }
.color-swatch--yellow { background-color: #f59e0b; }
.color-swatch--green { background-color: #10b981; }
.color-swatch--blue { background-color: #06b6d4; }
.color-swatch--purple { background-color: #8b5cf6; }
.color-swatch--pink { background-color: #ec4899; }

/* --- Card Background Colors & Gradients --- */
.mind-card.color-default {
  background: rgba(var(--bg-glass-rgb), var(--card-opacity));
  border-color: var(--border-glass);
}
.mind-card.color-red {
  background: linear-gradient(135deg, rgba(239, 68, 68, calc(var(--card-opacity) * 0.44)) 0%, rgba(var(--bg-glass-rgb), var(--card-opacity)) 100%);
  border-color: rgba(239, 68, 68, calc(var(--card-opacity) * 0.8));
}
.mind-card.color-red:hover {
  border-color: rgba(239, 68, 68, calc(var(--card-opacity) * 0.8 + 0.25));
  box-shadow: 0 12px 30px rgba(239, 68, 68, 0.18);
}
.mind-card.color-yellow {
  background: linear-gradient(135deg, rgba(245, 158, 11, calc(var(--card-opacity) * 0.44)) 0%, rgba(var(--bg-glass-rgb), var(--card-opacity)) 100%);
  border-color: rgba(245, 158, 11, calc(var(--card-opacity) * 0.8));
}
.mind-card.color-yellow:hover {
  border-color: rgba(245, 158, 11, calc(var(--card-opacity) * 0.8 + 0.25));
  box-shadow: 0 12px 30px rgba(245, 158, 11, 0.18);
}
.mind-card.color-green {
  background: linear-gradient(135deg, rgba(16, 185, 129, calc(var(--card-opacity) * 0.44)) 0%, rgba(var(--bg-glass-rgb), var(--card-opacity)) 100%);
  border-color: rgba(16, 185, 129, calc(var(--card-opacity) * 0.8));
}
.mind-card.color-green:hover {
  border-color: rgba(16, 185, 129, calc(var(--card-opacity) * 0.8 + 0.25));
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.18);
}
.mind-card.color-blue {
  background: linear-gradient(135deg, rgba(6, 182, 212, calc(var(--card-opacity) * 0.44)) 0%, rgba(var(--bg-glass-rgb), var(--card-opacity)) 100%);
  border-color: rgba(6, 182, 212, calc(var(--card-opacity) * 0.8));
}
.mind-card.color-blue:hover {
  border-color: rgba(6, 182, 212, calc(var(--card-opacity) * 0.8 + 0.25));
  box-shadow: 0 12px 30px rgba(6, 182, 212, 0.18);
}
.mind-card.color-purple {
  background: linear-gradient(135deg, rgba(139, 92, 246, calc(var(--card-opacity) * 0.44)) 0%, rgba(var(--bg-glass-rgb), var(--card-opacity)) 100%);
  border-color: rgba(139, 92, 246, calc(var(--card-opacity) * 0.8));
}
.mind-card.color-purple:hover {
  border-color: rgba(139, 92, 246, calc(var(--card-opacity) * 0.8 + 0.25));
  box-shadow: 0 12px 30px rgba(139, 92, 246, 0.18);
}
.mind-card.color-pink {
  background: linear-gradient(135deg, rgba(236, 72, 153, calc(var(--card-opacity) * 0.44)) 0%, rgba(var(--bg-glass-rgb), var(--card-opacity)) 100%);
  border-color: rgba(236, 72, 153, calc(var(--card-opacity) * 0.8));
}
.mind-card.color-pink:hover {
  border-color: rgba(236, 72, 153, calc(var(--card-opacity) * 0.8 + 0.25));
  box-shadow: 0 12px 30px rgba(236, 72, 153, 0.18);
}

/* --- Detail Modal Background Colors --- */
.modal-panel--detail.color-default {
  background-color: var(--bg-secondary);
  border-color: var(--border-glass);
}
.modal-panel--detail.color-red {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.18) 0%, var(--bg-secondary) 100%);
  border-color: rgba(239, 68, 68, 0.45);
}
.modal-panel--detail.color-yellow {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.18) 0%, var(--bg-secondary) 100%);
  border-color: rgba(245, 158, 11, 0.45);
}
.modal-panel--detail.color-green {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.18) 0%, var(--bg-secondary) 100%);
  border-color: rgba(16, 185, 129, 0.45);
}
.modal-panel--detail.color-blue {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.18) 0%, var(--bg-secondary) 100%);
  border-color: rgba(6, 182, 212, 0.45);
}
.modal-panel--detail.color-purple {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.18) 0%, var(--bg-secondary) 100%);
  border-color: rgba(139, 92, 246, 0.45);
}
.modal-panel--detail.color-pink {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.18) 0%, var(--bg-secondary) 100%);
  border-color: rgba(236, 72, 153, 0.45);
}

.canvas-section-title {
  font-family: var(--font-sans);
}

/* ==========================================================================
   Spatial Canvas (Mind Map) Styles
   ========================================================================== */

.spatial-canvas-view {
  position: relative;
  width: 100%;
  height: calc(100vh - var(--header-height) - 140px); /* Account for 80px workspace padding, 40px header margin, and 20px bottom margin */
  min-height: 500px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at center, rgba(18, 16, 22, 0.4) 0%, rgba(10, 9, 13, 0.95) 100%);
  border: 1px solid var(--border-glass);
  margin-block-end: 20px;
}

@media (max-width: 768px) {
  .spatial-canvas-view {
    height: calc(100vh - 140px);
  }
}

.spatial-canvas-viewport {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  /* Subtle grid pattern background */
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center;
}

.spatial-canvas-viewport:active {
  cursor: grabbing;
}

.spatial-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  transform-origin: 0 0;
  pointer-events: none;
}

.canvas-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  overflow: visible;
  pointer-events: none;
  z-index: 1;
}

.canvas-nodes-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  overflow: visible;
  pointer-events: none;
  z-index: 2;
}

.canvas-node-card {
  position: absolute;
  width: 280px;
  margin-block-end: 0 !important;
  pointer-events: auto;
  z-index: 10;
  transition: border-color var(--transition-fast), box-shadow var(--transition-normal);
  user-select: none;
  -webkit-user-drag: none;
}

.canvas-node-card.dragging {
  cursor: grabbing;
  z-index: 100;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
  border-color: var(--accent-purple) !important;
}

/* Connection Lines styling */
.canvas-connection-line {
  fill: none;
  stroke: rgba(168, 85, 247, 0.75);
  stroke-width: 4px;
  pointer-events: auto;
  cursor: pointer;
  transition: stroke var(--transition-fast), stroke-width var(--transition-fast), filter var(--transition-fast);
}

.canvas-connection-line:hover {
  stroke: var(--accent-purple);
  stroke-width: 5px;
  filter: drop-shadow(0 0 6px var(--accent-purple));
}

/* Temp/linking connection line */
.canvas-connection-line--temp {
  stroke: var(--accent-pink);
  stroke-width: 3px;
  stroke-dasharray: 6 4;
  animation: lineDash 0.5s linear infinite;
  pointer-events: none;
}

@keyframes lineDash {
  to {
    stroke-dashoffset: -10;
  }
}

/* Floating Zoom & Controls */
.spatial-canvas-controls {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
}

.spatial-canvas-controls button {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.spatial-canvas-controls button:hover {
  background: var(--bg-glass-active);
  border-color: var(--border-glass-hover);
  transform: translateY(-2px);
}

.spatial-canvas-controls button.active {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  box-shadow: 0 0 12px var(--accent-purple-glow);
  color: #fff;
}

/* Radar Minimap */
.canvas-minimap {
  position: absolute;
  bottom: 20px;
  left: 20px;
  width: 160px;
  height: 120px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  overflow: hidden;
  pointer-events: none;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.canvas-minimap-viewport {
  position: absolute;
  border: 1.5px solid var(--accent-purple);
  background: rgba(168, 85, 247, 0.08);
  box-sizing: border-box;
}

.canvas-minimap-dots {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.minimap-dot {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--text-secondary);
  transform: translate(-2px, -2px);
}

.minimap-dot.color-red { background-color: #ef4444; }
.minimap-dot.color-yellow { background-color: #f59e0b; }
.minimap-dot.color-green { background-color: #10b981; }
.minimap-dot.color-blue { background-color: #06b6d4; }
.minimap-dot.color-purple { background-color: #8b5cf6; }
.minimap-dot.color-pink { background-color: #ec4899; }

/* Connection / Link mode state styling */
.spatial-canvas-view.linking-active .canvas-node-card {
  border-color: rgba(236, 72, 153, 0.3);
}

.spatial-canvas-view.linking-active .canvas-node-card:hover {
  border-color: var(--accent-pink) !important;
  box-shadow: 0 0 10px rgba(236, 72, 153, 0.3);
}

.spatial-canvas-view .canvas-node-card.linking-source {
  border-color: var(--accent-pink) !important;
  box-shadow: 0 0 15px rgba(236, 72, 153, 0.5);
  animation: pulseLinkingSource 1.5s infinite alternate;
}

@keyframes pulseLinkingSource {
  0% {
    box-shadow: 0 0 8px rgba(236, 72, 153, 0.4);
  }
  100% {
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.8);
  }
}

/* Autoformed semantic connection lines */
.canvas-connection-line--auto {
  fill: none;
  stroke: rgba(6, 182, 212, 0.7); /* Soft cyan/teal */
  stroke-width: 3px;
  stroke-dasharray: 6 6;
  pointer-events: auto;
  cursor: help;
  transition: stroke var(--transition-fast), stroke-width var(--transition-fast), filter var(--transition-fast);
}

.canvas-connection-line--auto:hover {
  stroke: var(--accent-blue);
  stroke-width: 3.5px;
  stroke-dasharray: none;
  filter: drop-shadow(0 0 5px var(--accent-blue));
}



/* --- Graph View Mode Styles & Overrides --- */
.canvas-node-card.graph-mode {
  width: var(--node-size, 16px) !important;
  height: var(--node-size, 16px) !important;
  border-radius: 50% !important;
  padding: 0 !important;
  min-height: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  overflow: visible !important;
  background: none !important;
  border: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none !important;
}

/* Hide card details in graph mode */
.canvas-node-card.graph-mode .card-note-title,
.canvas-node-card.graph-mode .card-note-desc,
.canvas-node-card.graph-mode .card-todo-list,
.canvas-node-card.graph-mode .card-article-thumb,
.canvas-node-card.graph-mode .card-article-content,
.canvas-node-card.graph-mode .card-meta,
.canvas-node-card.graph-mode .card-pin-btn {
  display: none !important;
}

/* Graph node circle visual */
.canvas-node-card.graph-mode::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.85;
  transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.canvas-node-card.graph-mode:hover::after {
  opacity: 1;
  transform: scale(1.3);
  box-shadow: 0 0 16px currentColor;
}

/* Colors for graph nodes mapping to theme */
.canvas-node-card.graph-mode.color-default { color: #a855f7; } /* purple default */
.canvas-node-card.graph-mode.color-red { color: #ef4444; }
.canvas-node-card.graph-mode.color-yellow { color: #f59e0b; }
.canvas-node-card.graph-mode.color-green { color: #10b981; }
.canvas-node-card.graph-mode.color-blue { color: #06b6d4; }
.canvas-node-card.graph-mode.color-purple { color: #8b5cf6; }
.canvas-node-card.graph-mode.color-pink { color: #ec4899; }

/* Graph Node Labels */
.graph-node-label {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  pointer-events: none;
  white-space: nowrap;
  opacity: 0.75;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
  z-index: 200;
}

.canvas-node-card.graph-mode:hover .graph-node-label {
  opacity: 1;
  color: var(--text-primary);
  font-weight: 600;
}

/* Straight line connections in Graph mode */
.canvas-connection-line--graph {
  fill: none;
  stroke: rgba(255, 255, 255, 0.55);
  stroke-width: 2.2px;
  pointer-events: auto;
  cursor: pointer;
  transition: stroke var(--transition-fast), stroke-width var(--transition-fast);
}

.canvas-connection-line--graph:hover {
  stroke: var(--accent-purple);
  stroke-width: 3px;
  filter: drop-shadow(0 0 5px var(--accent-purple));
}

.canvas-connection-line--graph-auto {
  fill: none;
  stroke: rgba(6, 182, 212, 0.5); /* Match cyan/teal of Card View */
  stroke-width: 1.8px;
  stroke-dasharray: 4 4;
  pointer-events: auto;
  cursor: pointer;
  transition: stroke var(--transition-fast), stroke-width var(--transition-fast);
}

.canvas-connection-line--graph-auto:hover {
  stroke: var(--accent-blue);
  stroke-width: 2.5px;
  stroke-dasharray: none;
  filter: drop-shadow(0 0 5px var(--accent-blue));
}

/* --- Notion-style Add Modal Editor additions --- */
.add-title-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-glass);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 1.45rem;
  font-weight: 700;
  padding: 8px 0;
  margin-block-end: 16px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.add-title-input::placeholder {
  color: var(--text-muted);
}

.add-title-input:focus {
  border-color: var(--accent-purple);
}

.markdown-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-block-end: 12px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
}

.markdown-toolbar button {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.markdown-toolbar button:hover {
  background: var(--bg-glass-active);
  color: #fff;
}

/* --- Onboarding Modal Styling --- */
.modal-panel--onboarding {
  max-inline-size: 540px;
}

.onboarding-intro {
  margin-block-end: 24px;
}

.onboarding-intro p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.onboarding-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-block-end: 24px;
}

.onboarding-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.onboarding-step:hover {
  background: var(--bg-glass-active);
  transform: translateY(-1px);
}

.step-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  inline-size: 28px;
  block-size: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-pink) 100%);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

.step-content strong {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  color: #fff;
  margin-block-end: 4px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.4;
  margin: 0;
}

.onboarding-link {
  color: var(--accent-purple);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.onboarding-link:hover {
  color: var(--accent-pink);
  border-color: var(--accent-pink);
}

.external-icon {
  font-size: 0.75rem;
  vertical-align: middle;
}

.onboarding-input-section {
  border-top: 1px solid var(--border-glass);
  padding-block-start: 20px;
}

/* --- Chat Modal and Container --- */
.modal-panel--chat {
  max-inline-size: 680px;
  inline-size: 95%;
  block-size: calc(100vh - 100px);
  block-size: calc(100dvh - 100px);
}

.chat-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  padding: 0 !important; /* Override default modal body padding */
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

@media (max-width: 768px) {
  .chat-messages {
    padding: 16px 20px;
  }
}

.chat-message {
  display: flex;
  flex-direction: column;
  max-inline-size: 85%;
  animation: messageIn 0.2s ease-out;
}

.chat-message.user {
  align-self: flex-end;
}

.chat-message.ai {
  align-self: flex-start;
}

.chat-message.system {
  align-self: center;
  max-inline-size: 100%;
  text-align: center;
  opacity: 0.6;
}

.chat-message-content {
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  line-height: 1.5;
  word-break: break-word;
}

.chat-message.user .chat-message-content {
  background-color: var(--accent-purple, #a855f7);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.chat-message.ai .chat-message-content {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.chat-message.system .chat-message-content {
  background-color: transparent;
  font-size: 0.85rem;
  padding: 8px;
}

/* Streaming indicator */
.chat-message-content.loading::after {
  content: '';
  display: inline-block;
  inline-size: 4px;
  block-size: 14px;
  background-color: var(--text-primary);
  margin-inline-start: 4px;
  animation: blink-cursor 0.8s infinite;
  vertical-align: middle;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

@keyframes messageIn {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Chat Form */
.chat-form {
  display: flex;
  padding: 16px 24px;
  border-block-start: 1px solid var(--border-glass);
  gap: 12px;
  background-color: var(--bg-secondary);
  align-items: center;
}

@media (max-width: 768px) {
  .chat-form {
    padding: 12px 16px;
  }
}

.chat-form input {
  flex: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.chat-form input:focus {
  border-color: var(--accent-purple, #a855f7);
}

.chat-form button {
  padding: 12px 20px;
  white-space: nowrap;
}

/* Chat Markdown Formatting */
.chat-message-content p {
  margin-block-end: 12px;
}
.chat-message-content p:last-child {
  margin-block-end: 0;
}
.chat-message-content ul, .chat-message-content ol {
  margin-block-start: 6px;
  margin-block-end: 12px;
  padding-inline-start: 22px;
}
.chat-message-content ul {
  list-style-type: disc;
}
.chat-message-content ol {
  list-style-type: decimal;
}
.chat-message-content li {
  margin-block-end: 6px;
}
.chat-message-content li:last-child {
  margin-block-end: 0;
}
.chat-message-content strong {
  font-weight: 700;
  color: var(--text-highlight, #f8fafc);
}
.chat-message-content code {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: var(--radius-xs, 4px);
  font-family: monospace;
  font-size: 0.9em;
}
.chat-message-content a {
  color: var(--accent-cyan, #22d3ee);
  text-decoration: underline;
}
.chat-message-content h1, .chat-message-content h2, .chat-message-content h3 {
  margin-block-start: 14px;
  margin-block-end: 8px;
  font-weight: 600;
  color: var(--text-highlight, #f8fafc);
}
.chat-message-content h1 { font-size: 1.25rem; }
.chat-message-content h2 { font-size: 1.15rem; }
.chat-message-content h3 { font-size: 1.05rem; }

/* Chat Scoped Badge */
.chat-scope-badge {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(168, 85, 247, 0.12);
  border-bottom: 1px solid var(--border-glass, rgba(255, 255, 255, 0.1));
  padding: 8px 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.chat-scope-badge strong {
  color: var(--accent-purple, #a855f7);
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
  vertical-align: middle;
}
.btn-clear-scope {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0 4px;
  line-height: 1;
  transition: color var(--transition-fast);
}
.btn-clear-scope:hover {
  color: var(--text-primary);
}

/* Chat Scope Selector styling */
.chat-scope-area {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-glass, rgba(255, 255, 255, 0.1));
}
.chat-scope-selector-container {
  padding: 8px 18px;
}
.chat-card-selector {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-glass, rgba(255, 255, 255, 0.1));
  border-radius: var(--radius-sm, 6px);
  padding: 6px 12px;
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}
.chat-card-selector:focus {
  border-color: var(--accent-purple, #a855f7);
}

/* --- Image and PDF Card Styles --- */
.mind-card--image {
  padding: 0 !important;
}

.mind-card--pdf {
  padding: 0 !important;
}

.card-image-preview-wrapper {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-bottom: 1px solid var(--border-glass, rgba(255, 255, 255, 0.1));
  background: var(--bg-glass-active, rgba(255, 255, 255, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.card-image-loading-placeholder {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.card-grid-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-fast, 0.2s);
}

.mind-card--image:hover .card-grid-image {
  transform: scale(1.03);
}

/* Drag & Drop Overlay */
.drag-drop-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99999;
  background: rgba(13, 15, 18, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.drag-drop-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drag-drop-box {
  background: var(--bg-glass-active, rgba(255, 255, 255, 0.05));
  border: 2px dashed var(--accent-purple, #a855f7);
  padding: 48px;
  border-radius: var(--radius-lg, 16px);
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 400px;
  width: 90%;
  pointer-events: none;
}

.drag-drop-overlay.active .drag-drop-box {
  transform: scale(1);
}

.drag-drop-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  animation: dragPulse 2s infinite;
}

.drag-drop-box h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
  font-family: var(--font-sans, sans-serif);
}

.drag-drop-box p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
  font-family: var(--font-sans, sans-serif);
}

@keyframes dragPulse {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Stagger delay for 4th speed dial child */
.floating-add-container.open .sub-add-buttons .sub-add-btn:nth-child(4) {
  transition-delay: 0.18s;
}

/* Remove button style in modal preview */
#btn-remove-attached-file {
  transition: color var(--transition-fast);
}

#btn-remove-attached-file:hover {
  color: #ef4444 !important;
}

#btn-delete-account:hover {
  background: rgba(239, 68, 68, 0.3) !important;
  transform: scale(1.01);
}