/* Ultra-Minimalist Dark Mode CSS for Encoded CDN - AMOLED Friendly */

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

:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #141414;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a0;
  --border-color: #1f1f1f;
  --accent: #3b9eff;
  --accent-hover: #5db1ff;
  --success: #4ade80;
  --danger: #ef4444;
  --warning: #fbbf24;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-sm {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  border-bottom: 1px solid var(--border-color);
  padding: 20px 0;
  margin-bottom: 40px;
  background: var(--bg-primary);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo img {
  height: 32px;
}

nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--text-primary);
}

nav a.active {
  color: var(--accent);
  font-weight: 500;
}

/* Typography */
h1 {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-primary);
}

h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

p {
  margin-bottom: 16px;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="file"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: border-color 0.2s, background 0.2s;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-tertiary);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
}

/* Buttons */
button,
.btn {
  display: inline-block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

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

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

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

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

.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-group {
  display: flex;
  gap: 8px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

th {
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--bg-primary);
}

td {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}

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

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 24px;
  margin-bottom: 24px;
  transition: border-color 0.2s;
}

.card:hover {
  border-color: var(--text-secondary);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

/* Utility classes */
.text-secondary {
  color: var(--text-secondary);
}

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

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

.text-sm {
  font-size: 13px;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.flex {
  display: flex;
}

.justify-between {
  justify-content: space-between;
}

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

.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

/* Messages */
.alert {
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 20px;
  font-size: 14px;
  border: 1px solid;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.3);
}

.alert-success {
  background: rgba(74, 222, 128, 0.1);
  color: #86efac;
  border-color: rgba(74, 222, 128, 0.3);
}

/* Auth pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
}

.auth-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.auth-box .logo {
  justify-content: center;
  margin-bottom: 32px;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state h3 {
  color: var(--text-primary);
  margin-bottom: 8px;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 3px;
}

.badge-success {
  background: rgba(74, 222, 128, 0.15);
  color: var(--success);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.badge-primary {
  background: rgba(59, 158, 255, 0.15);
  color: var(--accent);
  border: 1px solid rgba(59, 158, 255, 0.3);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

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

/* Project stats */
.project-stats {
  display: flex;
  gap: 24px;
  color: var(--text-secondary);
  font-size: 14px;
}

.project-stats span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Links */
a {
  color: var(--accent);
  transition: color 0.2s;
}

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

/* File input styling */
input[type="file"] {
  padding: 8px;
}

input[type="file"]::file-selector-button {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 3px;
  cursor: pointer;
  margin-right: 12px;
  transition: background 0.2s;
}

input[type="file"]::file-selector-button:hover {
  background: var(--bg-secondary);
}

/* Scrollbar styling for dark mode */
::-webkit-scrollbar {
  width: 12px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 6px;
  border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    gap: 16px;
  }

  nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

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

  table {
    font-size: 13px;
  }

  th, td {
    padding: 8px;
  }
}

/* Ensure proper contrast on hover states */
button:disabled,
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Better focus indicators for accessibility */
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}