/* ==========================================================================
   GIS Product Team Retrospective - Design System
   ========================================================================== */

:root {
  /* Color palette - Warm, calm aerospace-inspired */
  --color-bg: #0f0f12;
  --color-bg-elevated: #18181d;
  --color-bg-card: #1e1e25;
  --color-bg-input: #252530;
  --color-border: #2a2a38;
  --color-border-focus: #4a4a68;
  
  /* Accent - Soft amber/gold */
  --color-accent: #e8b84a;
  --color-accent-dim: #c49a3a;
  --color-accent-glow: rgba(232, 184, 74, 0.15);
  
  /* Secondary - Cool slate blue */
  --color-secondary: #6b7a99;
  --color-secondary-dim: #4a5670;
  
  /* Text */
  --color-text: #e8e8ed;
  --color-text-dim: #8888a0;
  --color-text-muted: #5c5c72;
  
  /* Status */
  --color-success: #5cb88f;
  --color-warning: #e8a84a;
  --color-error: #d65c5c;
  
  /* Typography */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Borders */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--color-accent-glow);
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}

/* Subtle grid pattern background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(232, 184, 74, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 184, 74, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: -1;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--space-md);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p {
  margin: 0 0 var(--space-md);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-dim);
}

/* ==========================================================================
   App Container
   ========================================================================== */

.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Landing Page
   ========================================================================== */

.landing {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-2xl);
  max-width: 900px;
  margin: 0 auto;
}

.landing-hero {
  text-align: center;
  margin-bottom: var(--space-3xl);
  animation: fadeInUp 0.6s ease-out;
}

.logo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.logo-icon {
  width: 80px;
  height: 80px;
  color: var(--color-accent);
  animation: pulse 3s ease-in-out infinite;
}

.logo-icon svg {
  width: 100%;
  height: 100%;
}

.landing-hero h1 {
  font-size: 2.75rem;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 1.25rem;
  color: var(--color-text-dim);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.landing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  width: 100%;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-focus);
  box-shadow: var(--shadow-md);
}

.card h2 {
  color: var(--color-text);
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.card h2::before {
  content: '';
  width: 4px;
  height: 1.25rem;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group:last-of-type {
  margin-bottom: var(--space-xl);
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-dim);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="number"],
input[type="time"],
input[type="email"],
textarea,
select {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  text-transform: none;
  font-size: 1rem;
  color: var(--color-text);
}

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

/* Timing toggle */
.timing-toggle {
  display: flex;
  gap: var(--space-xs);
  background: var(--color-bg-input);
  padding: var(--space-xs);
  border-radius: var(--radius-md);
}

.timing-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-dim);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.timing-btn.active {
  color: var(--color-bg);
  background: var(--color-accent);
}

.timing-input.hidden {
  display: none;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  color: var(--color-bg);
  background: var(--color-accent);
  box-shadow: var(--shadow-sm), 0 0 20px var(--color-accent-glow);
}

.btn-primary:hover {
  background: var(--color-accent-dim);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-secondary {
  color: var(--color-text);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
}

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

.btn-ghost {
  color: var(--color-text-dim);
  background: transparent;
  padding: var(--space-sm) var(--space-md);
}

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

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ==========================================================================
   Join Form
   ========================================================================== */

.join-hint {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-md);
}

/* ==========================================================================
   Session View
   ========================================================================== */

.session-layout {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

@media (min-width: 1024px) {
  .session-layout {
    grid-template-columns: 1fr 280px;
    grid-template-rows: auto 1fr;
  }
  
  .session-header {
    grid-column: 1 / -1;
  }
  
  .session-sidebar {
    grid-row: 2;
    grid-column: 2;
  }
}

/* Session Header */
.session-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
}

.session-info {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.session-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

.stage-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-accent-glow);
  border-radius: var(--radius-full);
}

/* Timer */
.timer {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.timer-display {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  min-width: 80px;
  text-align: center;
}

.timer-display.warning {
  color: var(--color-warning);
  animation: pulse 1s ease-in-out infinite;
}

.timer-display.critical {
  color: var(--color-error);
  animation: pulse 0.5s ease-in-out infinite;
}

/* Session Main Content */
.session-main {
  padding: var(--space-xl);
  overflow-y: auto;
}

.stage-content {
  max-width: 800px;
  margin: 0 auto;
}

.stage-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.stage-header h2 {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.stage-header p {
  color: var(--color-text-dim);
  font-size: 1.125rem;
}

/* Sidebar */
.session-sidebar {
  background: var(--color-bg-elevated);
  border-left: 1px solid var(--color-border);
  padding: var(--space-lg);
}

.sidebar-section {
  margin-bottom: var(--space-xl);
}

.sidebar-section h3 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

/* Participant List */
.participant-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.participant-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.participant-item:hover {
  background: var(--color-bg-card);
}

.participant-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-secondary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.participant-name {
  flex: 1;
  font-size: 0.875rem;
}

.participant-status {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-text-muted);
}

.participant-status.online {
  background: var(--color-success);
}

.participant-status.submitted {
  background: var(--color-accent);
}

.submission-count {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

/* ==========================================================================
   Prompts & Responses
   ========================================================================== */

.prompts-grid {
  display: grid;
  gap: var(--space-lg);
}

.prompt-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.prompt-card h3 {
  color: var(--color-accent);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.prompt-card p {
  color: var(--color-text-dim);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.prompt-card textarea {
  margin-bottom: 0;
}

/* Response Cards */
.responses-grid {
  display: grid;
  gap: var(--space-md);
}

.response-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.response-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.response-author {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

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

/* ==========================================================================
   AI Synthesis
   ========================================================================== */

.synthesis-section {
  margin-bottom: var(--space-2xl);
}

.synthesis-section h3 {
  color: var(--color-accent);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.synthesis-section h3::before {
  content: '◆';
  font-size: 0.75rem;
}

.theme-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.theme-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.theme-icon {
  width: 24px;
  height: 24px;
  color: var(--color-secondary);
  flex-shrink: 0;
}

.theme-content h4 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.theme-content p {
  color: var(--color-text-dim);
  font-size: 0.875rem;
  margin: 0;
}

/* ==========================================================================
   Voting
   ========================================================================== */

.voting-grid {
  display: grid;
  gap: var(--space-md);
}

.vote-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.vote-item:hover {
  border-color: var(--color-border-focus);
}

.vote-item.selected {
  border-color: var(--color-accent);
  background: var(--color-accent-glow);
}

.vote-checkbox {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.vote-item.selected .vote-checkbox {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.vote-content {
  flex: 1;
}

.vote-content h4 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.vote-content p {
  color: var(--color-text-dim);
  font-size: 0.875rem;
  margin: 0;
}

.vote-count {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-accent);
  min-width: 48px;
  text-align: center;
}

.votes-remaining {
  text-align: center;
  padding: var(--space-md);
  font-family: var(--font-mono);
  color: var(--color-text-dim);
}

.votes-remaining strong {
  color: var(--color-accent);
  font-size: 1.5rem;
}

/* ==========================================================================
   Host Controls
   ========================================================================== */

.host-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.host-controls h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.control-row {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.timer-controls {
  display: flex;
  gap: var(--space-sm);
}

/* ==========================================================================
   Summary Page
   ========================================================================== */

.summary-page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl);
}

.summary-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.summary-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.summary-meta {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  color: var(--color-text-dim);
  font-size: 0.875rem;
}

.summary-section {
  margin-bottom: var(--space-3xl);
}

.summary-section h2 {
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.summary-section h2::before {
  content: '';
  width: 4px;
  height: 1.25rem;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.non-negotiables {
  counter-reset: item;
  list-style: none;
  padding: 0;
}

.non-negotiables li {
  counter-increment: item;
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
}

.non-negotiables li::before {
  content: counter(item);
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-accent);
  min-width: 24px;
}

/* ==========================================================================
   Frame Stage
   ========================================================================== */

.frame-content {
  max-width: 600px;
  margin: 0 auto;
}

.constraints-list,
.rules-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.constraints-list li,
.rules-list li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.constraints-list li::before {
  content: '⚡';
}

.rules-list li::before {
  content: '✓';
  color: var(--color-success);
}

/* ==========================================================================
   Lobby
   ========================================================================== */

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

.join-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  max-width: 500px;
  margin: 0 auto var(--space-2xl);
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.join-link input {
  flex: 1;
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text);
}

.join-link input:focus {
  outline: none;
  box-shadow: none;
}

.ready-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.ready-indicator.ready {
  border-color: var(--color-success);
  color: var(--color-success);
}

/* ==========================================================================
   Join Page
   ========================================================================== */

.join-page {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
}

.join-card {
  width: 100%;
  max-width: 400px;
}

/* ==========================================================================
   Error Page
   ========================================================================== */

.error-page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
}

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

.error-icon {
  width: 80px;
  height: 80px;
  color: var(--color-error);
  margin: 0 auto var(--space-xl);
}

.error-content h1 {
  margin-bottom: var(--space-md);
}

.error-content p {
  color: var(--color-text-dim);
  margin-bottom: var(--space-xl);
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

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

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

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

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

.mt-auto {
  margin-top: auto;
}

.mb-0 {
  margin-bottom: 0;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .landing {
    padding: var(--space-lg);
  }
  
  .landing-hero h1 {
    font-size: 2rem;
  }
  
  .landing-cards {
    grid-template-columns: 1fr;
  }
  
  .session-header {
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
  }
  
  .session-info {
    flex-direction: column;
    text-align: center;
  }
  
  .session-sidebar {
    border-left: none;
    border-top: 1px solid var(--color-border);
  }
  
  .summary-meta {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.landing-footer {
  margin-top: auto;
  padding-top: var(--space-2xl);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}