/* ============================================
   SecureBin.ai — Premium World-Class Design
   Glass morphism + Animated gradients + Modern
   ============================================ */

/* CSS Variables — Dark Theme (default) */
:root,
[data-theme="dark"] {
  --bg-primary: #050510;
  --bg-secondary: rgba(15, 15, 35, 0.8);
  --bg-tertiary: rgba(20, 20, 50, 0.6);
  --bg-elevated: rgba(25, 25, 60, 0.7);
  --bg-hover: rgba(40, 40, 80, 0.5);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-border: rgba(255, 255, 255, 0.08);

  --text-primary: #f0f0ff;
  --text-secondary: #a0a0c0;
  --text-tertiary: #606080;
  --text-inverse: #050510;

  --accent: #7c6cf7;
  --accent-hover: #9486ff;
  --accent-glow: rgba(124, 108, 247, 0.4);
  --accent-subtle: rgba(124, 108, 247, 0.12);
  --accent-gradient: linear-gradient(135deg, #7c6cf7, #00d4aa);

  --success: #00d4aa;
  --warning: #ffbe0b;
  --danger: #ff4d6a;
  --info: #54a0ff;

  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);
  --border-focus: var(--accent);

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);
  --shadow-glow-sm: 0 0 20px rgba(124, 108, 247, 0.2);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme — Premium & Vibrant */
[data-theme="light"] {
  --bg-primary: #fafbfe;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f3f9;
  --bg-elevated: #ffffff;
  --bg-hover: #eef0f8;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-border: rgba(100, 100, 180, 0.12);

  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-tertiary: #9ca3af;
  --text-inverse: #ffffff;

  --accent: #6c5ce7;
  --accent-hover: #5a4bd6;
  --accent-glow: rgba(108, 92, 231, 0.2);
  --accent-subtle: rgba(108, 92, 231, 0.07);
  --accent-gradient: linear-gradient(135deg, #6c5ce7, #0ea5e9);

  --border: rgba(0, 0, 0, 0.1);
  --border-hover: rgba(0, 0, 0, 0.18);
  --border-focus: var(--accent);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
  --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);
  --shadow-glow-sm: 0 0 15px rgba(108, 92, 231, 0.08);
}

/* ============ Reset & Base ============ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition-slow), color var(--transition-slow);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Animated background mesh */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(124, 108, 247, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(0, 212, 170, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 40% 60% at 50% 20%, rgba(255, 77, 106, 0.04) 0%, transparent 50%);
  animation: meshMove 20s ease-in-out infinite alternate;
}

@keyframes meshMove {
  0% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.05) translate(-2%, 1%); }
  100% { transform: scale(1) translate(1%, -1%); }
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
::selection { background: var(--accent); color: white; }

/* ============ Navbar ============ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-icon { width: 24px; height: 24px; color: var(--accent); }

.nav-actions { display: flex; align-items: center; gap: 0.25rem; }

/* Nav Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger { display: flex; align-items: center; gap: 0.3rem; }
.nav-dropdown-trigger .chevron { transition: transform var(--transition); }
.nav-dropdown:hover .nav-dropdown-trigger .chevron { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  min-width: 260px;
  background: var(--bg-elevated);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 200;
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.55rem 0.85rem;
  font-size: 0.84rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
}

.nav-dropdown-menu a:hover {
  background: var(--accent-subtle);
  color: var(--accent);
}

.nav-dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 0.4rem 0;
}

/* Mega Menu */
.nav-mega-menu {
  min-width: 560px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.25rem;
  padding: 1rem;
}

.mega-col { display: flex; flex-direction: column; gap: 0.15rem; }

.mega-heading {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  padding: 0.3rem 0.6rem 0.4rem;
  margin-bottom: 0.15rem;
}

.mega-footer {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
  padding-top: 0.6rem;
  text-align: center;
}

.mega-footer a {
  font-weight: 600;
  font-size: 0.84rem;
  color: var(--accent);
}

@media (max-width: 768px) {
  .nav-mega-menu {
    min-width: 280px;
    grid-template-columns: 1fr 1fr;
    right: -1rem;
  }
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: var(--shadow-glow-sm);
  border: 1px solid rgba(255,255,255,0.15);
  position: relative;
  z-index: 1;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--accent-gradient);
  filter: blur(12px);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition);
}

.btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
  filter: brightness(1.1);
}

.btn-primary:hover::before { opacity: 0.5; }

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-sm);
}

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

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { filter: brightness(1.15); box-shadow: 0 0 20px rgba(255, 77, 106, 0.3); }

.btn-lg {
  padding: 0.85rem 2.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  letter-spacing: 0.01em;
}

.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-label { display: inline; }
.btn-delete { color: var(--danger); }
.btn-delete:hover { background: rgba(255, 77, 106, 0.1); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ============ Container ============ */
.container { max-width: 960px; margin: 0 auto; padding: 0 1.5rem; width: 100%; }
.main-content { flex: 1; padding: 2.5rem 0; }

/* ============ Views ============ */
.view { display: none; }
.view.active { display: block; animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ Hero ============ */
.hero { text-align: center; margin-bottom: 2.5rem; }

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  background: var(--accent-gradient);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
  animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 1.25rem;
  line-height: 1.6;
}

.trust-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.6rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  background: var(--accent-subtle);
  color: var(--accent);
  border: 1px solid rgba(124, 108, 247, 0.2);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
}

.badge:hover {
  background: rgba(124, 108, 247, 0.2);
  transform: translateY(-1px);
}

/* ============ Editor — Glass Card ============ */
.editor-wrapper {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.editor-wrapper:focus-within {
  border-color: rgba(124, 108, 247, 0.3);
  box-shadow: var(--shadow-glow);
}

.editor-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border);
}

.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 0.5rem; }

.toolbar-select {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  padding: 0.4rem 0.7rem;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition);
  appearance: auto;
}

.toolbar-select:hover { border-color: var(--border-hover); }
.toolbar-select:focus { outline: none; border-color: var(--accent); }

.toolbar-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}

.toolbar-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }
.toolbar-toggle input { display: none; }
.toolbar-toggle input:checked ~ span,
.toolbar-toggle input:checked ~ svg { color: var(--accent); }
.toolbar-toggle input:checked ~ span { font-weight: 600; }

/* Password field */
.password-field {
  padding: 0.75rem 1.25rem;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border);
}

.password-input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 500px;
}

.password-input-wrapper svg { color: var(--text-tertiary); flex-shrink: 0; }

.password-input-wrapper input {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: 0.55rem 0.85rem;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.password-input-wrapper input:focus { outline: none; border-color: var(--accent); box-shadow: var(--shadow-glow-sm); }
.password-input-wrapper input::placeholder { color: var(--text-tertiary); }

/* Editor textarea */
.editor-container { position: relative; }

.editor-textarea {
  width: 100%;
  min-height: 320px;
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-primary);
  background: transparent;
  border: none;
  resize: vertical;
  tab-size: 4;
  -moz-tab-size: 4;
}

.editor-textarea:focus { outline: none; }
.editor-textarea::placeholder { color: var(--text-tertiary); }

.editor-footer {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border);
  background: var(--bg-glass);
}

/* File attachment */
.file-attachment { padding: 0 1.25rem 1.25rem; }

.file-drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem;
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.file-drop-zone:hover,
.file-drop-zone.dragover { border-color: var(--accent); background: var(--accent-subtle); color: var(--accent); }

.file-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }

.file-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.file-item button {
  background: none; border: none; color: var(--danger); cursor: pointer;
  padding: 0; font-size: 1.1rem; line-height: 1;
}

/* ============ Action Bar ============ */
.action-bar { display: flex; justify-content: center; margin: 2rem 0; }

/* ============ Info Sections ============ */
.info-section {
  margin-top: 3.5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--border);
}

.info-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.info-title {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.info-card {
  text-align: center;
  padding: 1.75rem 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.info-card:hover {
  border-color: rgba(124, 108, 247, 0.3);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md), var(--shadow-glow-sm);
}

.info-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--accent-gradient);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--transition);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
  padding: 1px;
}

.info-card:hover::after { opacity: 0.5; }

.info-icon { color: var(--accent); margin-bottom: 0.75rem; }
.info-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; }
.info-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.55; }

/* ============ Features Grid ============ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.feature-card {
  padding: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  border-color: rgba(124, 108, 247, 0.25);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-sm);
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.feature-card p { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.55; }

/* ============ Password Generator ============ */
.password-generator-card {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

.generated-password-display { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.25rem; }

.generated-password-input {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  padding: 0.85rem 1rem;
  background: var(--bg-primary);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  letter-spacing: 0.05em;
  user-select: all;
}

.password-gen-options { display: flex; flex-direction: column; gap: 1rem; }
.gen-option { display: flex; align-items: center; gap: 1rem; }
.gen-option label { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); min-width: 50px; }
.gen-option input[type="range"] { flex: 1; accent-color: var(--accent); height: 6px; }
.gen-option span { font-family: var(--font-mono); font-size: 0.85rem; color: var(--accent); font-weight: 600; min-width: 30px; text-align: center; }
.gen-checkboxes { display: flex; flex-wrap: wrap; gap: 1rem; }
.gen-checkbox { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; color: var(--text-secondary); cursor: pointer; }
.gen-checkbox input { accent-color: var(--accent); width: 16px; height: 16px; }

.gen-strength { font-size: 0.85rem; font-weight: 600; padding: 0.5rem 0.85rem; border-radius: var(--radius-sm); text-align: center; }
.gen-strength.weak { color: var(--danger); background: rgba(255,77,106,0.1); }
.gen-strength.fair { color: var(--warning); background: rgba(255,190,11,0.1); }
.gen-strength.strong { color: var(--info); background: rgba(84,160,255,0.1); }
.gen-strength.excellent { color: var(--success); background: rgba(0,212,170,0.1); }

/* ============ Paste View ============ */
.paste-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.85rem 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
}

.paste-meta { display: flex; align-items: center; gap: 0.75rem; font-size: 0.8rem; color: var(--text-secondary); }

.paste-format-badge {
  padding: 0.2rem 0.6rem;
  background: var(--accent-subtle);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.paste-actions { display: flex; gap: 0.25rem; }

.paste-rendered {
  background: var(--bg-secondary);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.paste-rendered pre {
  margin: 0; font-family: var(--font-mono); font-size: 0.88rem;
  line-height: 1.75; white-space: pre-wrap; word-wrap: break-word;
}

.paste-rendered pre code { background: none; padding: 0; font-size: inherit; }

/* Markdown */
.paste-rendered.markdown-body { line-height: 1.8; }
.paste-rendered.markdown-body h1 { font-size: 1.8rem; margin-top: 1.5em; margin-bottom: 0.5em; }
.paste-rendered.markdown-body h2 { font-size: 1.4rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; margin-top: 1.5em; margin-bottom: 0.5em; }
.paste-rendered.markdown-body h3 { font-size: 1.15rem; margin-top: 1.5em; margin-bottom: 0.5em; }
.paste-rendered.markdown-body p { margin-bottom: 1em; }
.paste-rendered.markdown-body code { font-family: var(--font-mono); font-size: 0.88em; background: var(--bg-tertiary); padding: 0.15em 0.4em; border-radius: 4px; }
.paste-rendered.markdown-body pre code { background: var(--bg-tertiary); display: block; padding: 1em; border-radius: var(--radius-sm); overflow-x: auto; }
.paste-rendered.markdown-body blockquote { border-left: 3px solid var(--accent); padding-left: 1em; color: var(--text-secondary); margin: 1em 0; }
.paste-rendered.markdown-body ul, .paste-rendered.markdown-body ol { padding-left: 1.5em; margin-bottom: 1em; }
.paste-rendered.markdown-body a { color: var(--accent); }
.paste-rendered.markdown-body table { width: 100%; border-collapse: collapse; margin: 1em 0; }
.paste-rendered.markdown-body th, .paste-rendered.markdown-body td { border: 1px solid var(--border); padding: 0.5em 0.75em; }
.paste-rendered.markdown-body th { background: var(--bg-tertiary); font-weight: 600; }

/* ============ Burn Warning ============ */
.burn-warning {
  display: flex; align-items: center; gap: 1rem; padding: 1.25rem;
  background: rgba(255, 77, 106, 0.08); border: 1px solid rgba(255, 77, 106, 0.25);
  border-radius: var(--radius-md); color: var(--danger); margin-bottom: 1.5rem;
}

.burn-warning strong { display: block; margin-bottom: 0.25rem; }
.burn-warning p { font-size: 0.85rem; opacity: 0.8; }
.burn-warning .btn { margin-left: auto; flex-shrink: 0; }

/* ============ Password Prompt ============ */
.password-prompt { display: flex; justify-content: center; align-items: center; min-height: 50vh; }

.password-prompt-card {
  text-align: center; max-width: 420px; padding: 2.5rem;
  background: var(--bg-secondary); border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
}

.password-prompt-card svg { color: var(--accent); margin-bottom: 1rem; }
.password-prompt-card h2 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.password-prompt-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 1.25rem; }
.password-prompt-card .password-input-wrapper { max-width: 100%; }
.error-text { color: var(--danger); font-size: 0.85rem; margin-top: 0.75rem; }

/* ============ Error View ============ */
.error-view { text-align: center; padding: 4rem 1rem; color: var(--text-secondary); }
.error-view svg { color: var(--text-tertiary); margin-bottom: 1rem; }
.error-view h2 { font-size: 1.5rem; color: var(--text-primary); margin-bottom: 0.5rem; }
.error-view p { margin-bottom: 1.5rem; }

/* ============ Loading ============ */
.loading-spinner { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 50vh; gap: 1rem; }

.spinner {
  width: 44px; height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
.loading-spinner p { color: var(--text-secondary); font-size: 0.9rem; }

/* ============ Modal ============ */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(8px); }
.modal-content { position: relative; z-index: 1; background: var(--bg-secondary); border: 1px solid var(--bg-glass-border); border-radius: var(--radius-lg); padding: 2rem; text-align: center; box-shadow: var(--shadow-lg); max-width: 90vw; backdrop-filter: blur(16px); }
.modal-content h3 { margin-bottom: 1rem; }
.qr-container { display: inline-block; padding: 1rem; background: white; border-radius: var(--radius-md); margin-bottom: 1rem; }
.qr-note { font-size: 0.8rem; color: var(--text-tertiary); margin-bottom: 1rem; }

/* ============ Toast ============ */
.toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 300; display: flex; flex-direction: column; gap: 0.5rem; }

.toast {
  padding: 0.85rem 1.25rem;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  display: flex; align-items: center; gap: 0.5rem;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 350px;
  backdrop-filter: blur(16px);
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============ Paste Files ============ */
.paste-files { margin-top: 1rem; }
.paste-file-item { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1rem; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 0.5rem; }
.paste-file-info { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; }
.paste-file-size { color: var(--text-tertiary); font-size: 0.75rem; }

/* ============ Footer ============ */
.footer {
  padding: 3rem 0 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 0.82rem;
  margin-top: 3rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 2rem;
  margin-bottom: 2rem;
  text-align: left;
}

.footer-brand h3 { font-size: 1.1rem; color: var(--text-primary); margin-bottom: 0.5rem; }
.footer-brand p { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.6; }
.footer-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-col h4 { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.3rem; }
.footer-col a, .footer-col span { font-size: 0.8rem; color: var(--text-tertiary); transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { padding-top: 1.5rem; border-top: 1px solid var(--border); text-align: center; }

/* ============ Hidden ============ */
.hidden { display: none !important; }

/* ============ Responsive ============ */
@media (max-width: 768px) {
  .hero-title { font-size: 1.8rem; }
  .info-grid { grid-template-columns: 1fr; gap: 1rem; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; text-align: center; }
  .footer-columns { grid-template-columns: repeat(3, 1fr); }
  .editor-toolbar { flex-direction: column; align-items: flex-start; }
  .toolbar-right { flex-wrap: wrap; }
  .paste-toolbar { flex-direction: column; align-items: flex-start; }
  .paste-actions { flex-wrap: wrap; }
  .btn-label { display: none; }
  .burn-warning { flex-direction: column; text-align: center; }
  .burn-warning .btn { margin-left: 0; }
  .nav-container { padding: 0 1rem; }
  .container { padding: 0 1rem; }
  .tool-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.5rem; }
  .trust-badges { gap: 0.3rem; }
  .badge { font-size: 0.7rem; padding: 0.25rem 0.55rem; }
  .editor-textarea { min-height: 250px; padding: 1rem; font-size: 0.85rem; }
}

/* ============ Scrollbar ============ */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* ============ Print ============ */
@media print {
  .navbar, .footer, .paste-toolbar, .action-bar, .file-attachment, .toast-container { display: none !important; }
  .paste-rendered { border: none; box-shadow: none; padding: 0; }
  body { background: white; color: black; }
  body::before { display: none; }
}