/* =========================================
   Route 9 Studios — Brand Stylesheet
   Light theme + dark nav/footer, Orbitron headings
   Accent: #7A1F1F / #4D0F00 burgundy
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700&display=swap');

:root {
  /* Brand Colors */
  --brand-burgundy: #7A1F1F;
  --brand-burgundy-hover: #922828;
  --brand-burgundy-deep: #4D0F00;
  --brand-burgundy-bg: rgba(77, 15, 0, 0.03);
  --brand-burgundy-bg-hover: rgba(77, 15, 0, 0.08);
  --brand-burgundy-border: rgba(77, 15, 0, 0.15);

  /* Semantic Colors — Light Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-input: #f8f8f8;
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-muted: #777777;
  --text-faint: #999999;
  --border-color: #e0e0e0;
  --border-light: #eeeeee;
  --border-hover: var(--brand-burgundy);
  --success-color: #27ae60;
  --success-bg: #f0fdf4;
  --error-color: #c0392b;
  --warning-color: #f59e0b;

  /* Dark surface (nav, footer) */
  --dark-bg: #1a1a1a;
  --dark-text: #e8e8e8;
  --dark-text-muted: #888888;

  /* Typography */
  --font-display: 'Orbitron', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-size-xs: 0.7rem;
  --font-size-sm: 0.85rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.05rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.8rem;
  --font-size-3xl: 2.5rem;
  --font-size-hero: 3rem;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  /* Misc */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
  --border-radius: 8px;
  --border-radius-lg: 10px;
  --border-radius-pill: 12px;
}

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

html, body {
  width: 100%;
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: flex;
  flex-direction: column;
}

/* =========================================
   Animations
   ========================================= */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.fade-up {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
}

.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.2s; }
.fade-up-3 { animation-delay: 0.3s; }
.fade-up-4 { animation-delay: 0.4s; }
.fade-up-5 { animation-delay: 0.5s; }

/* =========================================
   Layout
   ========================================= */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.container-sm {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.container-centered {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-xl);
}

/* =========================================
   Header / Navigation
   ========================================= */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.80);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-2xl);
}

header .logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: var(--spacing-sm);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

header .logo:hover {
  color: var(--brand-burgundy);
}

header .logo img {
  height: 40px;
  width: auto;
}

header .logo-text {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--text-primary);
}

header .nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

header .nav-links a {
  color: #555555;
  text-decoration: none;
  font-size: var(--font-size-base);
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color var(--transition-base);
}

header .nav-links a:hover,
header .nav-links a.active {
  color: var(--text-primary);
}

/* =========================================
   Typography — Orbitron Display
   ========================================= */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 {
  font-size: var(--font-size-2xl);
  letter-spacing: 6px;
}

h2 {
  font-size: var(--font-size-xl);
  letter-spacing: 3px;
}

h3 {
  font-size: var(--font-size-lg);
  letter-spacing: 2px;
  font-weight: 600;
}

.page-title {
  font-family: var(--font-display);
  font-size: var(--font-size-hero);
  font-weight: 700;
  letter-spacing: 8px;
  color: var(--brand-burgundy);
}

.page-subtitle {
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 6px;
  color: var(--text-muted);
  margin-top: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--brand-burgundy-hover);
}

/* =========================================
   Divider — gradient line
   ========================================= */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-burgundy), transparent);
  margin: var(--spacing-xl) auto;
  max-width: 280px;
}

/* =========================================
   Cards
   ========================================= */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  transition: all var(--transition-base);
}

.card:hover {
  background: var(--bg-primary);
  border-color: var(--border-color);
  box-shadow: 0 4px 20px rgba(77, 15, 0, 0.06);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  border-color: var(--brand-burgundy);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(77, 15, 0, 0.08);
}

/* =========================================
   Buttons
   ========================================= */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background: var(--brand-burgundy);
  border: none;
  color: #fff;
  padding: 16px 32px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
}

button:hover,
.btn:hover {
  background: var(--brand-burgundy-hover);
  transform: translateY(-1px);
}

button:active,
.btn:active {
  transform: translateY(0);
}

button:disabled,
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

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

.btn-secondary:hover {
  border-color: var(--brand-burgundy);
  color: var(--brand-burgundy);
  background: transparent;
}

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

.btn-danger:hover {
  background: #e74c3c;
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-xs);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* =========================================
   Version Badge
   ========================================= */
.badge {
  display: inline-block;
  background: var(--brand-burgundy-bg);
  border: 1px solid var(--brand-burgundy-border);
  padding: 4px 14px;
  border-radius: var(--border-radius-pill);
  font-family: var(--font-display);
  font-size: var(--font-size-xs);
  color: var(--brand-burgundy);
  letter-spacing: 1px;
}

/* =========================================
   Forms
   ========================================= */
.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

input,
textarea,
select {
  width: 100%;
  background: #555555;
  border: 1px solid #666666;
  border-radius: var(--border-radius);
  padding: 16px 20px;
  color: #e0e0e0;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  outline: none;
  transition: border-color var(--transition-base), background var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--brand-burgundy);
  background: #4a4a4a;
}

input::placeholder,
textarea::placeholder {
  color: #aaaaaa;
}

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

/* Orbitron-style input (for passphrase / codes) */
.input-display {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  letter-spacing: 4px;
  text-align: center;
  text-transform: uppercase;
}

/* =========================================
   File Upload
   ========================================= */
.file-upload {
  border: 2px dashed #777777;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl) var(--spacing-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: #555555;
}

.file-upload:hover,
.file-upload.drag-over {
  border-color: var(--brand-burgundy);
  background: #4a4a4a;
}

.file-upload p {
  color: #aaaaaa;
  margin-bottom: 0;
}

.file-upload-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.file-upload-input {
  display: none;
}

.file-list {
  list-style: none;
  margin-top: var(--spacing-md);
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-sm);
}

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-weight: 500;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-size {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* =========================================
   Progress Bar
   ========================================= */
.progress-bar {
  width: 100%;
  height: 6px;
  background: #555555;
  border-radius: 3px;
  overflow: hidden;
  margin: var(--spacing-md) 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--brand-burgundy-deep), var(--brand-burgundy), var(--brand-burgundy-hover));
  background-size: 200% 100%;
  animation: shimmer 1.5s ease infinite;
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 3px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Upload button pulse while uploading */
.btn.uploading {
  animation: btnPulse 1.5s ease infinite;
  pointer-events: none;
}

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(122, 31, 31, 0.4); }
  50% { box-shadow: 0 0 20px 6px rgba(122, 31, 31, 0.2); }
}

/* =========================================
   Alerts
   ========================================= */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
}

.alert-success {
  background: var(--success-bg);
  border: 1px solid rgba(39, 174, 96, 0.2);
  color: var(--success-color);
}

.alert-error {
  background: rgba(192, 57, 43, 0.06);
  border: 1px solid rgba(192, 57, 43, 0.15);
  color: var(--error-color);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.15);
  color: var(--warning-color);
}

.alert-info {
  background: var(--brand-burgundy-bg);
  border: 1px solid var(--brand-burgundy-border);
  color: var(--brand-burgundy);
}

/* =========================================
   Grid
   ========================================= */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

/* =========================================
   Hero Section (Landing Page)
   ========================================= */
.hero {
  text-align: center;
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.hero-logo {
  max-width: 280px;
  margin: 0 auto var(--spacing-lg);
}

.hero-logo img {
  width: 100%;
  height: auto;
}

.hero .page-title {
  white-space: nowrap;
}

.hero p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  max-width: 480px;
  margin: var(--spacing-md) auto 0;
  line-height: 1.7;
}

/* =========================================
   Footer
   ========================================= */
footer {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--text-faint);
  margin-top: auto;
}

/* =========================================
   Spinner
   ========================================= */
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-light);
  border-top-color: var(--brand-burgundy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* =========================================
   Utilities
   ========================================= */
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }
.text-faint { color: var(--text-muted); }
.hidden { display: none !important; }
.loading { opacity: 0.6; pointer-events: none; }

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 768px) {
  header nav {
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
  }

  header .nav-links {
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: var(--font-size-2xl);
    letter-spacing: 5px;
  }

  h1 { font-size: var(--font-size-xl); }

  .hero-logo { max-width: 200px; }
}

@media (max-width: 500px) {
  .container,
  .container-sm,
  .container-centered {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  .card {
    padding: var(--spacing-lg);
  }
}