/* Gitea Mobile — Mobile-first CSS (~5KB target) */

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

/* CSS Variables */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-link: #58a6ff;
  --accent-green: #3fb950;
  --accent-red: #f85149;
  --accent-yellow: #d29922;
  --accent-blue: #58a6ff;
  --accent-purple: #bc8cff;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 0.75rem;
  --spacing-lg: 1rem;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-pill: 10px;
  --nav-height: 56px;
  --font-sm: 0.75rem;
  --font-base: 0.875rem;
  --font-lg: 1rem;
  --font-xl: 1.25rem;
}

/* Base */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Top bar */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-lg);
  padding-top: max(var(--spacing-sm), env(safe-area-inset-top));
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.top-bar-title {
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--text-primary);
}

.refresh-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.4rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, background 0.15s ease;
}

.refresh-btn:active {
  color: var(--accent-blue);
  background: var(--bg-tertiary);
}

.refresh-btn.htmx-request {
  animation: spin 0.6s linear infinite;
  pointer-events: none;
}

/* Content area */
.content {
  padding: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  max-width: 640px;
  margin: 0 auto;
}

/* Typography */
h1 {
  font-size: var(--font-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--text-link);
  text-decoration: none;
}

a:active {
  opacity: 0.7;
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  transition: background 0.15s ease;
}

.card:active {
  background: var(--bg-tertiary);
}

.card-title {
  font-weight: 600;
  font-size: var(--font-base);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

.card-meta {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-xs);
}

.card-body {
  font-size: var(--font-base);
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
  line-height: 1.5;
}

/* Labels / badges */
.label {
  display: inline-block;
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
}

.type-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  white-space: nowrap;
}

.type-issue {
  background: rgba(31, 111, 235, 0.13);
  color: var(--accent-blue);
  border: 1px solid rgba(31, 111, 235, 0.27);
}

.type-pull {
  background: rgba(35, 134, 54, 0.13);
  color: var(--accent-green);
  border: 1px solid rgba(35, 134, 54, 0.27);
}

.state-open {
  color: var(--accent-green);
}

.state-closed {
  color: var(--accent-red);
}

.state-merged {
  color: var(--accent-purple);
}

/* Priority labels */
.priority-p1 { color: var(--accent-red); border-color: var(--accent-red); }
.priority-p2 { color: var(--accent-yellow); border-color: var(--accent-yellow); }
.priority-p3 { color: var(--accent-blue); border-color: var(--accent-blue); }

/* Diff stats */
.diff-add { color: var(--accent-green); font-size: var(--font-sm); }
.diff-del { color: var(--accent-red); font-size: var(--font-sm); }

/* Bottom navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: var(--nav-height);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 100;
}

.bottom-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.7rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 0;
  min-width: 64px;
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav a.active {
  color: var(--accent-blue);
}

.bottom-nav svg {
  width: 22px;
  height: 22px;
  margin-bottom: 2px;
}

/* Filter bar */
.filter-bar {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: var(--spacing-xs);
}

.filter-bar::-webkit-scrollbar {
  display: none;
}

.filter-bar select,
.filter-bar input {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-base);
  min-width: 0;
  flex-shrink: 0;
  appearance: none;
  -webkit-appearance: none;
}

.filter-bar select:focus,
.filter-bar input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

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

.form-group label {
  display: block;
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-lg);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s ease;
}

.btn-primary {
  background: #238636;
  color: #fff;
  width: 100%;
}

.btn-primary:active {
  background: #2ea043;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  width: 100%;
}

.btn-secondary:active {
  background: var(--border);
}

.btn-danger {
  background: #da363322;
  color: var(--accent-red);
  border: 1px solid #da363366;
  width: 100%;
}

/* Review form */
.review-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.review-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.review-option input[type="radio"] {
  accent-color: var(--accent-blue);
}

/* Comments thread */
.comment {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.comment-header {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  font-size: var(--font-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.comment-body {
  padding: var(--spacing-md);
  font-size: var(--font-base);
  line-height: 1.6;
}

/* Avatar */
.avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  vertical-align: middle;
}

/* Empty state */
.empty {
  text-align: center;
  color: var(--text-secondary);
  padding: 3rem var(--spacing-lg);
  font-size: var(--font-base);
}

/* Messages */
.message {
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-base);
}

.message.success {
  background: #0d2818;
  border: 1px solid #238636;
  color: var(--accent-green);
}

.message.error {
  background: #2d1117;
  border: 1px solid #da3633;
  color: var(--accent-red);
}

.message.info {
  background: #0c1d2e;
  border: 1px solid #1f6feb;
  color: var(--accent-blue);
}

/* Loading indicator */
.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator {
  display: inline-block;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Infinite scroll sentinel */
.scroll-sentinel {
  height: 1px;
  margin-bottom: var(--spacing-lg);
}

/* Tablet breakpoint: 2-column grid */
@media (min-width: 640px) {
  .content {
    max-width: 960px;
  }

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

  .card-grid .card {
    margin-bottom: 0;
  }
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Dark mode is default; light mode override if needed */
@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #eaeef2;
    --border: #d0d7de;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-link: #0969da;
  }
}