* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #f97316;
  --primary-dark: #ea580c;
  --primary-glow: rgba(249, 115, 22, 0.3);
  --secondary: #ef4444;
  --accent: #fbbf24;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --bg-hover: #475569;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-subtle: linear-gradient(135deg, rgba(249, 115, 22, 0.1) 0%, rgba(239, 68, 68, 0.1) 100%);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 20px;
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: 600px;
  padding-top: 30px;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 30px;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.logo-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 0 20px var(--primary-glow));
  animation: flicker 2s infinite;
}

img.logo-icon {
  width: 48px;
  height: 48px;
}

@keyframes flicker {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.9; transform: scale(1.05); }
}

header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.tagline {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Language Switcher */
.lang-switcher {
  position: fixed;
  top: 15px;
  right: 15px;
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  padding: 5px;
  border-radius: 12px;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.lang-switcher button {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  padding: 6px 8px;
  border-radius: 8px;
  cursor: pointer;
  opacity: 0.5;
  transition: all 0.2s;
}

.lang-switcher button:hover {
  opacity: 0.8;
  background: var(--bg-input);
}

.lang-switcher button.active {
  opacity: 1;
  background: var(--bg-input);
}

/* Content Tabs */
.content-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: var(--bg-card);
  border: 2px solid transparent;
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover {
  background: var(--bg-input);
  color: var(--text);
}

.tab.active {
  border-color: var(--primary);
  color: var(--text);
  background: var(--gradient-subtle);
}

.tab-icon {
  font-size: 1.2rem;
}

/* Editor */
.editor-container {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 4px;
  margin-bottom: 16px;
  border: 2px solid transparent;
  transition: border-color 0.3s;
  position: relative;
}

.editor-container:focus-within {
  border-color: var(--primary);
}

#editor {
  background: var(--bg-input);
  border-radius: 12px;
  padding: 16px;
  min-height: 150px;
  max-height: 350px;
  overflow-y: auto;
  outline: none;
  font-size: 1rem;
  line-height: 1.6;
}

#editor:empty:before {
  content: attr(data-placeholder);
  color: var(--text-dim);
}

#editor img {
  max-width: 100%;
  border-radius: 8px;
  margin: 8px 0;
}

.editor-hint {
  position: absolute;
  bottom: 12px;
  right: 16px;
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Media Recorder */
.media-container {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
}

.media-preview {
  background: var(--bg-input);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  margin-bottom: 16px;
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-placeholder {
  color: var(--text-muted);
}

.media-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 10px;
}

.media-preview video,
.media-preview audio {
  width: 100%;
  max-width: 100%;
  border-radius: 8px;
}

.media-controls {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.media-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 24px;
  background: var(--bg-input);
  border: none;
  border-radius: 12px;
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.media-btn:hover {
  background: var(--bg-hover);
}

.media-btn.danger {
  background: var(--error);
}

.media-btn span:first-child {
  font-size: 1.5rem;
}

.recording-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  background: rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  margin-top: 12px;
  color: var(--error);
  font-weight: 500;
}

.pulse {
  width: 12px;
  height: 12px;
  background: var(--error);
  border-radius: 50%;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* Options */
.options-section {
  margin-bottom: 16px;
}

.option-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.option {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.option select,
.option input[type="text"],
.option input[type="number"],
.option input[type="password"],
.option input[type="url"],
.option input[type="datetime-local"] {
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid transparent;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.option input:focus,
.option select:focus {
  border-color: var(--primary);
  outline: none;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 8px 0;
}

.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
  cursor: pointer;
}

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

/* Advanced Options */
.advanced-options {
  background: var(--bg-card);
  border-radius: 16px;
  margin-bottom: 20px;
  overflow: hidden;
}

.advanced-options summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  cursor: pointer;
  user-select: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.2s;
}

.advanced-options summary:hover {
  color: var(--text);
}

.advanced-options[open] summary {
  border-bottom: 1px solid var(--bg-input);
}

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

.chevron {
  margin-left: auto;
  font-size: 0.8rem;
  transition: transform 0.2s;
}

.advanced-options[open] .chevron {
  transform: rotate(180deg);
}

.options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 16px;
}

.option-card {
  background: var(--bg-input);
  border-radius: 12px;
  padding: 14px;
}

.option-card.full-width {
  grid-column: span 2;
}

.option-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 500;
}

.option-icon {
  font-size: 1rem;
}

.option-card input {
  width: 100%;
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid transparent;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.option-card input:focus {
  border-color: var(--primary);
  outline: none;
}

.option-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 8px;
}

.time-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.time-inputs input {
  flex: 1;
  font-size: 0.8rem;
  padding: 8px;
}

.time-inputs span {
  color: var(--text-dim);
}

.dms-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.dms-hours {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dms-hours input {
  width: 80px;
}

/* Buttons */
.primary-btn {
  width: 100%;
  background: var(--gradient);
  color: white;
  border: none;
  padding: 16px 24px;
  border-radius: 14px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--primary-glow);
}

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

.btn-icon {
  font-size: 1.2rem;
}

.secondary-btn {
  background: var(--bg-input);
  color: var(--text);
  border: none;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.2s;
}

.secondary-btn:hover {
  background: var(--bg-hover);
}

.secondary-btn.small {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.icon-btn {
  background: var(--primary);
  border: none;
  padding: 12px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background 0.2s;
  position: relative;
}

.icon-btn:hover {
  background: var(--primary-dark);
}

.icon-btn.small {
  padding: 6px 10px;
  font-size: 0.9rem;
}

.icon-btn .copied-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--success);
  border-radius: inherit;
}

/* Success View */
.success-card,
.read-card,
.error-card,
.prompt-card {
  background: var(--bg-card);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
}

.success-header {
  margin-bottom: 16px;
}

.success-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 10px;
}

.success-header h2 {
  font-size: 1.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.success-subtitle {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.link-box {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.link-box input {
  flex: 1;
  background: var(--bg-input);
  border: none;
  padding: 14px 16px;
  border-radius: 10px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: monospace;
}

/* QR Code */
.qr-section {
  margin: 20px 0;
  padding: 20px;
  background: var(--bg-input);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

#qr-canvas {
  border-radius: 8px;
  background: white;
  padding: 12px;
}

/* Status Tags */
.status-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 16px 0;
}

.status-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg-input);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-tag.burn {
  background: rgba(239, 68, 68, 0.2);
  color: var(--error);
}

.status-tag.views {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

.status-tag.password {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
}

.status-tag.time {
  background: rgba(251, 191, 36, 0.2);
  color: var(--accent);
}

.status-tag.dms {
  background: rgba(239, 68, 68, 0.2);
  color: var(--error);
}

/* DMS Info */
.dms-info {
  margin: 20px 0;
  padding: 16px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 12px;
  text-align: left;
}

.dms-warning {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.dms-warning span:first-child {
  font-size: 1.5rem;
}

.dms-warning strong {
  color: var(--error);
}

.dms-warning p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.disarm-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 14px;
  background: var(--bg-input);
  border-radius: 8px;
  margin-bottom: 12px;
}

.disarm-box > span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.disarm-link-container {
  display: flex;
  gap: 8px;
  width: 100%;
}

.disarm-link-container input {
  flex: 1;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-dark);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: monospace;
}

.disarm-link-container .icon-btn {
  flex-shrink: 0;
}

/* Read View */
.password-prompt,
.time-lock {
  margin-bottom: 20px;
}

.prompt-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 16px;
}

.prompt-card h2 {
  margin-bottom: 8px;
}

.prompt-card p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.prompt-card input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid transparent;
  padding: 14px;
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 12px;
  text-align: center;
}

.prompt-card input:focus {
  border-color: var(--primary);
  outline: none;
}

.available-date {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.countdown {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent);
  font-family: monospace;
}

.read-card {
  text-align: left;
  position: relative;
  overflow: hidden;
}

/* Watermark (screenshot deterrent) */
.watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-30deg);
  font-size: 1.5rem;
  color: rgba(249, 115, 22, 0.08);
  pointer-events: none;
  white-space: nowrap;
  z-index: 1;
  user-select: none;
}

#decrypted-content {
  background: var(--bg-input);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  min-height: 80px;
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

#decrypted-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 8px 0;
}

.media-playback {
  margin-bottom: 16px;
}

.media-playback video,
.media-playback audio {
  width: 100%;
  border-radius: 12px;
}

.read-meta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.read-meta span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

#burn-status {
  color: var(--error);
}

/* Error View */
.error-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: 16px;
}

.error-card h2 {
  margin-bottom: 8px;
}

.error-card p {
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Loading */
#loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.loader {
  text-align: center;
}

.flame {
  font-size: 4rem;
  animation: burn 0.5s ease-in-out infinite alternate;
}

@keyframes burn {
  0% { transform: scale(1) rotate(-5deg); filter: brightness(1); }
  100% { transform: scale(1.1) rotate(5deg); filter: brightness(1.2); }
}

/* Footer */
footer {
  text-align: center;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--bg-card);
  color: var(--text-dim);
  font-size: 0.8rem;
}

footer p {
  margin: 4px 0;
}

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

/* Mobile */
@media (max-width: 600px) {
  .container {
    padding-top: 60px;
  }
  
  .logo-container {
    flex-direction: column;
    gap: 8px;
  }
  
  header h1 {
    font-size: 2rem;
  }
  
  .options-grid {
    grid-template-columns: 1fr;
  }
  
  .option-card.full-width {
    grid-column: span 1;
  }
  
  .option-row {
    flex-direction: column;
    align-items: stretch;
  }
  
  .link-box {
    flex-direction: column;
  }
  
  .link-box input {
    text-align: center;
  }
  
  .time-inputs {
    flex-direction: column;
  }
  
  .time-inputs span {
    display: none;
  }
  
  .dms-controls {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* PWA standalone mode */
@media (display-mode: standalone) {
  .container {
    padding-top: 50px;
  }
}