/* =============================================
   GATEWAY TRAINER - Declassified Document Aesthetic
   ============================================= */

/* CSS Variables */
:root {
  --bg-dark: #0a0a0a;
  --bg-card: #1a1a1a;
  --bg-paper: #d4c5a9;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0a0;
  --text-paper: #2a2a2a;
  --text-aged: #c9b896;
  --accent-green: #00ff00;
  --accent-green-dim: #00aa00;
  --accent-red: #ff3333;
  --border-color: #333333;
  --border-light: #444444;
  
  --font-mono: 'Courier New', Courier, monospace;
  --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-mono);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* App Container */
#app {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-md);
  min-height: 100vh;
}

/* Screen Management */
.screen {
  display: none;
  animation: fadeIn 0.3s ease;
}

.screen.active {
  display: block;
}

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

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

/* =============================================
   LOADING SPINNER
   ============================================= */

.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: var(--spacing-sm);
}

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

/* Button loading state */
.btn-loading {
  opacity: 0.7;
  cursor: wait !important;
  pointer-events: none;
}

.btn-loading .loading-spinner {
  display: inline-block;
}

/* =============================================
   TYPOGRAPHY
   ============================================= */

h1, h2, h3 {
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }

/* =============================================
   BUTTONS
   ============================================= */

button {
  font-family: var(--font-mono);
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-fast);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-green);
  color: var(--bg-dark);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid var(--accent-green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.btn-primary:hover:not(:disabled) {
  background: transparent;
  color: var(--accent-green);
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid var(--border-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.btn-text {
  color: var(--text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-text:hover:not(:disabled) {
  color: var(--text-primary);
}

.btn-text.btn-danger {
  color: var(--accent-red);
}

.btn-text.btn-danger:hover:not(:disabled) {
  color: #ff6666;
}

.btn-icon {
  padding: var(--spacing-sm);
  color: var(--text-secondary);
}

.btn-icon:hover:not(:disabled) {
  color: var(--accent-green);
}

.btn-large {
  width: 100%;
  padding: var(--spacing-lg);
  font-size: 1.125rem;
}

.btn-round {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.btn-round:hover:not(:disabled) {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.btn-round:active:not(:disabled) {
  transform: scale(0.95);
  background: rgba(0, 255, 0, 0.1);
}

.btn-round.btn-large {
  width: 100px;
  height: 100px;
}

.btn-back {
  color: var(--text-secondary);
  padding: var(--spacing-sm);
}

.btn-back:hover:not(:disabled) {
  color: var(--accent-green);
}

.btn-send {
  background: var(--accent-green);
  color: var(--bg-dark);
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-send:hover:not(:disabled) {
  background: var(--accent-green-dim);
}

/* =============================================
   LANDING SCREEN
   ============================================= */

.landing-header {
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.classification-stamp {
  display: inline-block;
  background: var(--accent-red);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  transform: rotate(-2deg);
  margin-bottom: var(--spacing-md);
}

.app-title {
  font-size: 2rem;
  color: var(--text-aged);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 0 30px rgba(201, 184, 150, 0.3);
}

.app-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.app-tagline {
  color: var(--text-secondary);
  font-size: 0.75rem;
  opacity: 0.7;
  margin-bottom: var(--spacing-lg);
}

.voice-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(0, 255, 0, 0.1);
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* User Stats */
.user-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-xl);
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  color: var(--accent-green);
  font-weight: 700;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Mode Cards */
.mode-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.mode-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.mode-card:hover {
  border-color: var(--accent-green);
  transform: translateX(5px);
}

.mode-card:active {
  transform: translateX(5px) scale(0.99);
}

.mode-icon {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.mode-card:hover .mode-icon {
  color: var(--accent-green);
}

.mode-title {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.mode-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.mode-tag {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--accent-green);
  color: var(--bg-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Settings Button */
#btn-settings {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
}

/* Landing Footer */
.landing-footer {
  text-align: center;
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

.headphone-reminder {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-divider {
  width: 60px;
  height: 1px;
  background: var(--border-color);
  margin: var(--spacing-lg) auto;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  margin-bottom: var(--spacing-md);
}

.github-link:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.github-link svg {
  flex-shrink: 0;
}

.footer-credit {
  color: var(--text-secondary);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.6;
  margin-top: var(--spacing-md);
}

/* =============================================
   SCREEN HEADER
   ============================================= */

.screen-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.screen-header h1 {
  flex: 1;
}

.screen-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

/* =============================================
   SETUP FORMS
   ============================================= */

.setup-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.option-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.option-btn {
  flex: 1;
  min-width: 60px;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.option-btn:hover {
  border-color: var(--accent-green);
}

.option-btn:active {
  transform: scale(0.98);
}

.option-btn.active {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: var(--bg-dark);
}

.focus-description {
  color: var(--accent-green);
  font-size: 0.875rem;
  font-style: italic;
}

.setting-hint {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

/* Toggle Switch */
.toggle-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.toggle-switch {
  position: relative;
  width: 50px;
  height: 26px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  left: 2px;
  top: 2px;
  background: var(--text-secondary);
  transition: var(--transition-normal);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent-green);
  border-color: var(--accent-green);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(24px);
  background: var(--bg-dark);
}

/* Focus Cards */
.focus-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.focus-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.focus-card:hover {
  border-color: var(--accent-green);
}

.focus-card:active {
  transform: scale(0.98);
}

.focus-card.active {
  border-color: var(--accent-green);
  background: rgba(0, 255, 0, 0.1);
}

.focus-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-green);
  margin-bottom: var(--spacing-xs);
}

.focus-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Select Input */
.select-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  cursor: pointer;
}

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

/* =============================================
   TRAINING SESSION
   ============================================= */

.session-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
}

.session-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.separator {
  opacity: 0.3;
}

.headphones-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.headphones-indicator.active {
  color: var(--accent-green);
}

.session-timer {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-green);
  font-variant-numeric: tabular-nums;
}

/* Envelope */
.envelope-container {
  perspective: 1000px;
  margin-bottom: var(--spacing-lg);
}

.envelope {
  position: relative;
  width: 100%;
  padding-top: 60%;
  transition: transform 0.8s ease;
  transform-style: preserve-3d;
}

.envelope.revealed {
  transform: rotateY(180deg);
}

.envelope-front,
.envelope-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.envelope-front {
  background: var(--bg-paper);
  border: 3px solid #b8a888;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.1);
}

.envelope-back {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transform: rotateY(180deg);
  padding: var(--spacing-md);
}

.envelope-back img {
  max-width: 100%;
  max-height: 80%;
  object-fit: contain;
}

.classified-stamp {
  background: var(--accent-red);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  transform: rotate(-5deg);
  margin-bottom: var(--spacing-md);
}

.envelope-label {
  color: var(--text-paper);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.target-name {
  color: var(--text-primary);
  margin-top: var(--spacing-sm);
  font-size: 0.875rem;
}

/* Monitor Box */
.monitor-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.monitor-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--accent-green);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.monitor-text {
  color: var(--text-primary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.speaking-indicator {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.speaking-indicator.active {
  opacity: 1;
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

/* Impressions Box */
.impressions-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  min-height: 120px;
}

.impressions-header {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.impressions-list {
  list-style: none;
}

.impressions-list li {
  color: var(--text-primary);
  font-size: 0.875rem;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--border-color);
}

.impressions-list li:last-child {
  border-bottom: none;
}

.impressions-list li::before {
  content: '• ';
  color: var(--accent-green);
}

.interim-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-style: italic;
  opacity: 0.7;
}

/* Voice Input Area */
.voice-input-area {
  text-align: center;
  padding: var(--spacing-lg);
}

.listening-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.listening-status .icon-mic {
  color: var(--accent-green);
  filter: drop-shadow(0 0 10px rgba(0, 255, 0, 0.5));
}

.status-text {
  color: var(--accent-green);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.pulse-dots {
  display: flex;
  gap: var(--spacing-sm);
}

.pulse-dots span {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulseDot 1.4s ease-in-out infinite;
}

.pulse-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.pulse-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes pulseDot {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

.voice-hint {
  color: var(--text-secondary);
  font-size: 0.75rem;
  margin-top: var(--spacing-sm);
}

/* AI Speaking State */
.listening-status.ai-speaking .icon-mic {
  color: var(--text-secondary);
  filter: none;
}

.listening-status.ai-speaking .status-text {
  color: var(--text-secondary);
}

.listening-status.ai-speaking .pulse-dots span {
  background: var(--text-secondary);
}

/* Text Input Area */
.text-input-area {
  display: flex;
  gap: var(--spacing-sm);
}

.text-input-area input {
  flex: 1;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.text-input-area input:focus {
  outline: none;
  border-color: var(--accent-green);
}

.text-input-area input::placeholder {
  color: var(--text-secondary);
}

/* Session Controls */
.session-controls {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* =============================================
   REVEAL SCREEN
   ============================================= */

.reveal-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.revealed-image-container {
  text-align: center;
}

.revealed-image-container img {
  max-width: 100%;
  max-height: 250px;
  object-fit: contain;
  border: 1px solid var(--border-color);
}

.revealed-name {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 700;
  margin-top: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Score Display */
.score-display {
  text-align: center;
}

.score-label {
  color: var(--text-secondary);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.score-bar {
  height: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.score-fill {
  height: 100%;
  background: var(--accent-green);
  width: 0%;
  transition: width 1s ease-out;
}

.score-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-green);
}

/* Match Breakdown */
.match-breakdown {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.match-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
}

.match-item.matched {
  color: var(--accent-green);
}

.match-item.matched::before {
  content: '✓';
}

.match-item.partial {
  color: var(--text-aged);
}

.match-item.partial::before {
  content: '○';
}

.match-item.missed {
  color: var(--text-secondary);
}

.match-item.missed::before {
  content: '−';
}

/* Reveal Controls */
.reveal-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* =============================================
   SUMMARY SCREEN
   ============================================= */

.summary-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.summary-stat {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: var(--spacing-lg);
  text-align: center;
}

.summary-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-green);
  margin-bottom: var(--spacing-xs);
}

.summary-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.summary-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* =============================================
   EXPLORATION SESSION
   ============================================= */

.exploration-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: var(--spacing-xl);
}

.focus-indicator {
  text-align: center;
}

.focus-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  letter-spacing: 0.2em;
  margin-bottom: var(--spacing-xs);
}

.focus-level {
  font-size: 6rem;
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1;
  text-shadow: 0 0 50px rgba(0, 255, 0, 0.3);
}

.exploration-timer {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.frequency-display {
  text-align: center;
}

.frequency-display span:first-child {
  display: block;
  font-size: 1.5rem;
  color: var(--accent-green);
}

.frequency-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.exploration-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

/* =============================================
   QUICK SESSION
   ============================================= */

.quick-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  gap: var(--spacing-xl);
}

.quick-focus .focus-level {
  font-size: 8rem;
}

.quick-timer {
  font-size: 4rem;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.quick-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

/* =============================================
   JOURNAL
   ============================================= */

.journal-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

#journal-entry {
  width: 100%;
  min-height: 200px;
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  resize: vertical;
}

#journal-entry:focus {
  outline: none;
  border-color: var(--accent-green);
}

#journal-entry::placeholder {
  color: var(--text-secondary);
}

.journal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* =============================================
   MODALS
   ============================================= */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: var(--spacing-xl);
  max-width: 400px;
  width: 100%;
  text-align: center;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.modal-icon {
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
}

.modal-icon.warning {
  color: var(--accent-red);
}

.modal-content h2 {
  margin-bottom: var(--spacing-md);
}

.modal-content p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-lg);
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Settings Modal Specific */
.settings-content {
  text-align: left;
}

.setting-group {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

.setting-group:last-child {
  border-bottom: none;
}

.setting-label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.range-input {
  width: 100%;
  cursor: pointer;
}

.range-value {
  color: var(--accent-green);
  font-size: 0.875rem;
}

/* Journals Modal */
.modal-journals-content {
  max-width: 500px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.journals-list {
  flex: 1;
  overflow-y: auto;
  max-height: 400px;
  text-align: left;
}

.no-journals {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-align: center;
  padding: var(--spacing-xl);
}

.journal-entry-card {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.journal-entry-card:last-child {
  margin-bottom: 0;
}

.journal-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.journal-entry-date {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.journal-entry-focus {
  color: var(--accent-green);
}

.journal-entry-text {
  color: var(--text-primary);
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

/* =============================================
   ICONS
   ============================================= */

.icon {
  display: inline-block;
  vertical-align: middle;
}

.icon-active {
  stroke: var(--accent-green);
  filter: drop-shadow(0 0 4px var(--accent-green));
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 480px) {
  .app-title {
    font-size: 1.5rem;
  }
  
  .mode-cards {
    gap: var(--spacing-sm);
  }
  
  .mode-card {
    padding: var(--spacing-md);
  }
  
  .user-stats {
    gap: var(--spacing-md);
  }
  
  .stat-value {
    font-size: 1.25rem;
  }
  
  .focus-level {
    font-size: 4rem;
  }
  
  .quick-focus .focus-level {
    font-size: 6rem;
  }
  
  .quick-timer {
    font-size: 3rem;
  }
  
  .exploration-timer {
    font-size: 2rem;
  }
  
  .github-link {
    font-size: 0.75rem;
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* =============================================
   SCROLLBAR
   ============================================= */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}