/* ==========================================================================
   AGC AI Video Generator - Master Stylesheet
   Theme: Dark Glassmorphism & High-Contrast Cyber Aesthetics
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Outfit:wght@500;600;700;800&display=swap');

:root {
  --bg-main: #0b0f19;
  --bg-secondary: #0f172a;
  --bg-card: rgba(19, 27, 46, 0.75);
  --bg-card-hover: rgba(27, 38, 64, 0.85);
  --bg-glass-solid: #131b2e;
  --bg-terminal: #070a12;
  
  --border-color: #1f293d;
  --border-color-hover: #334155;
  --border-glow: rgba(139, 92, 246, 0.4);

  --accent-purple: #8b5cf6;
  --accent-indigo: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --grad-primary: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  --grad-cyan: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --grad-emerald: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --grad-glow: linear-gradient(135deg, rgba(139, 92, 246, 0.3) 0%, rgba(6, 182, 212, 0.3) 100%);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --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 32px rgba(0, 0, 0, 0.6);
  --glow-purple: 0 0 25px rgba(139, 92, 246, 0.35);
  --glow-cyan: 0 0 25px rgba(6, 182, 212, 0.35);
  --glow-emerald: 0 0 25px rgba(16, 185, 129, 0.35);

  --glass-blur: blur(16px);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(at 0% 0%, rgba(139, 92, 246, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1800px;
  margin: 0 auto;
  padding: 1.5rem;
  gap: 1.5rem;
}

.main-content {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 1.5rem;
  flex: 1;
}

.workflow-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.glass-panel {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  transition: var(--transition);
}

/* Header & Nav */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.75rem;
  background: rgba(19, 27, 46, 0.65);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo .icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-purple);
  font-family: var(--font-heading);
  font-weight: 800;
  color: #fff;
  font-size: 1.25rem;
}

.brand-title {
  font-size: 1.35rem;
  background: linear-gradient(135deg, #fff 30%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(7, 10, 18, 0.6);
  padding: 0.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.nav-tab {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  background: transparent;
  border: none;
  transition: var(--transition);
}

.nav-tab.active {
  background: var(--accent-purple);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.nav-tab:hover:not(.active) {
  color: var(--text-main);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm), var(--glow-purple);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  color: #fff;
}

.btn-emerald {
  background: var(--grad-emerald);
  color: #ffffff;
  box-shadow: var(--glow-emerald);
}

.btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

/* Inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

.input-glass {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(7, 10, 18, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition);
}

.input-glass:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

textarea.input-glass {
  resize: vertical;
  min-height: 90px;
}

/* Grid & Cards */
.section-title {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1rem;
}

.concept-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}

.concept-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
}

.concept-card.active {
  border-color: var(--accent-purple);
  background: rgba(27, 38, 64, 0.95);
  box-shadow: var(--glow-purple);
}

.concept-card.active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--grad-primary);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.concept-card .card-icon {
  font-size: 1.5rem;
}

.concept-card .card-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.concept-card .card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Storysheet Part Cards */
.storysheet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.part-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.part-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-cyan);
}

.image-preview-box {
  position: relative;
  width: 100%;
  height: 220px;
  border-radius: var(--radius-md);
  background: var(--bg-terminal);
  border: 1px dashed var(--border-color);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-preview-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Console Panel */
.console-panel {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 500px;
  max-height: calc(100vh - 120px);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.console-header {
  background: rgba(19, 27, 46, 0.9);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.console-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.console-body {
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.log-entry {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  word-break: break-word;
}

.log-time {
  color: var(--text-dim);
  font-size: 0.72rem;
  white-space: nowrap;
}

.log-badge {
  font-size: 0.65rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-weight: 600;
  text-transform: uppercase;
}

.log-badge.info { background: rgba(6, 182, 212, 0.2); color: #67e8f9; }
.log-badge.success { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
.log-badge.warning { background: rgba(245, 158, 11, 0.2); color: #fde047; }
.log-badge.error { background: rgba(244, 63, 94, 0.2); color: #fca5a5; }

.log-msg.info { color: #e2e8f0; }
.log-msg.success { color: #a7f3d0; }
.log-msg.warning { color: #fef08a; }
.log-msg.error { color: #fecdd3; }

/* Video Preview */
.video-wrapper {
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
  aspect-ratio: 9 / 16;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 10, 18, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

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

.modal-box {
  background: var(--bg-glass-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  max-width: 550px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

@media (max-width: 1200px) {
  .main-content {
    grid-template-columns: 1fr;
  }
}