/* WebComix Mini App — polished styling
 *
 * Theme: CSS custom properties driven by Telegram's themeParams.
 * Set by app.js on init and on themeChanged events.
 *
 * Layout: Mobile-first, single column, large touch targets.
 * Accessibility: prefers-reduced-motion support, focus styles.
 */

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

:root {
  /* Light theme defaults — overridden by Telegram themeParams in app.js */
  --bg-color: #ffffff;
  --text-color: #000000;
  --hint-color: #707579;
  --link-color: #2481cc;
  --button-color: #2481cc;
  --button-text-color: #ffffff;
  --secondary-bg-color: #f4f4f5;
  --border-color: #d0d0d0;
  --error-color: #cc3344;
  --success-color: #34a853;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  font-family: var(--font-stack);
  background: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  /* Respect Telegram safe area */
  padding-top: env(safe-area-inset-top, 0);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

header {
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

h1 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.3px;
}

.subtitle {
  color: var(--hint-color);
  font-size: 14px;
  font-weight: 400;
}

main {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm) 0;
  /* Leave room for sticky footer */
  padding-bottom: 100px;
}

.state {
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  color: var(--hint-color);
}

.state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.comic-list {
  list-style: none;
  padding: 0;
}

.comic-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: background 0.1s ease;
  gap: var(--spacing-md);
  min-height: 64px; /* Touch target */
}

.comic-item:hover {
  background: var(--secondary-bg-color);
}

.comic-item:active {
  background: var(--secondary-bg-color);
  transform: scale(0.99);
}

.comic-item:focus-within {
  outline: 2px solid var(--button-color);
  outline-offset: -2px;
}

.comic-item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  accent-color: var(--button-color);
  cursor: pointer;
}

.comic-item .info {
  flex: 1;
  min-width: 0;
  /* Allow the checkbox to take focus instead */
  pointer-events: none;
}

.comic-item .name {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.comic-item .meta {
  font-size: 12px;
  color: var(--hint-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.comic-item .check {
  flex-shrink: 0;
  color: var(--button-color);
  font-size: 18px;
  width: 22px;
  text-align: center;
}

.comic-item input[type="checkbox"]:checked + .info .check {
  /* Shown via the .check sibling */
}

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  background: var(--bg-color);
  /* Respect Telegram safe area */
  padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom, 0));
}

#save-btn {
  width: 100%;
  padding: 14px;
  background: var(--button-color);
  color: var(--button-text-color);
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: var(--spacing-sm);
  transition: opacity 0.15s ease, transform 0.1s ease;
}

#save-btn:hover:not(:disabled) {
  opacity: 0.9;
}

#save-btn:active:not(:disabled) {
  transform: scale(0.98);
}

#save-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.footnote {
  color: var(--hint-color);
  font-size: 12px;
  text-align: center;
  margin-top: var(--spacing-xs);
}

.error {
  color: var(--error-color);
  background: var(--secondary-bg-color);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin: var(--spacing-md);
  border: 1px solid var(--error-color);
}

.success {
  color: var(--success-color);
  background: var(--secondary-bg-color);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin: var(--spacing-md);
  border: 1px solid var(--success-color);
}

@media (prefers-reduced-motion: reduce) {
  .comic-item,
  #save-btn {
    transition: none;
  }
}