/* =============================================
   YTクリップ - ユーザー向けスタイル
   ソフト・温かみのあるデザイン
   ============================================= */

:root {
  --primary: #e05252;
  --primary-hover: #c73d3d;
  --primary-light: #fdeaea;
  --primary-pale: #fff5f5;
  --accent: #e05252;
  --bg: #fef8f3;
  --card-bg: #ffffff;
  --text: #2d2d2d;
  --text-muted: #888;
  --border: #f0ddd6;
  --border-light: #fae8e2;
  --shadow-sm: 0 2px 12px rgba(224, 82, 82, 0.06);
  --shadow: 0 4px 24px rgba(224, 82, 82, 0.10);
  --radius: 16px;
  --radius-sm: 10px;
}

/* ===== Base ===== */
* { box-sizing: border-box; }

body {
  font-family: "Noto Sans JP", system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

/* ===== Override Bootstrap primary ===== */
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: background 0.2s, transform 0.1s;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline-secondary {
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* ===== Header ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary) !important;
  text-decoration: none;
}
.logo-icon { font-size: 1.5rem; color: var(--primary); }
.logo-text { color: var(--text); }

.navbar-nav .nav-link {
  color: var(--text-muted);
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  transition: color 0.15s, background 0.15s;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary);
  background: var(--primary-pale);
}

/* ===== Main ===== */
.site-main {
  flex: 1;
  padding: 40px 0 60px;
}

/* ===== Footer ===== */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border-light);
  padding: 40px 0 24px;
  margin-top: auto;
}
.footer-brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.footer-tagline { color: var(--text-muted); font-size: 0.85rem; }
.footer-heading { font-weight: 600; font-size: 0.85rem; color: var(--text); margin-bottom: 8px; }
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 4px; }
.footer-links a { color: var(--text-muted); font-size: 0.85rem; }
.footer-links a:hover { color: var(--primary); }
.footer-disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.footer-divider { border-color: var(--border-light); margin: 16px 0; }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); text-align: center; margin: 0; }

/* ===== Page common ===== */
.page-header { margin-bottom: 28px; }
.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.page-subtitle { color: var(--text-muted); margin: 0; }
.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

/* ===== Hero ===== */
.hero-section {
  padding: 60px 0 50px;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
}
.hero-title {
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 18px 0 16px;
  color: var(--text);
}
@media (max-width: 576px) { .hero-title { font-size: 1.8rem; } }
.hero-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.btn-hero {
  padding: 14px 36px;
  font-size: 1.1rem;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(224, 82, 82, 0.3);
}
.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.feature-pill {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.82rem;
  padding: 5px 14px;
  border-radius: 999px;
}

/* ===== Stats ===== */
.stats-section { margin-bottom: 40px; }
.stats-card {
  background: linear-gradient(135deg, var(--primary), #f07070);
  color: #fff;
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: 0 8px 30px rgba(224, 82, 82, 0.25);
}
.stats-label { font-size: 0.9rem; opacity: 0.85; margin-bottom: 4px; }
.stats-number { font-size: 3.5rem; font-weight: 700; line-height: 1; margin-bottom: 4px; }
.stats-unit { font-size: 1.2rem; font-weight: 400; margin-left: 4px; }
.stats-caption { font-size: 0.85rem; opacity: 0.8; margin: 0; }

/* ===== Guide ===== */
.guide-section { margin-bottom: 48px; }
.guide-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.guide-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.guide-step {
  position: absolute;
  top: -14px;
  left: 24px;
  width: 30px;
  height: 30px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
}
.guide-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.guide-title { font-weight: 700; font-size: 1rem; margin-bottom: 6px; }
.guide-text { font-size: 0.88rem; color: var(--text-muted); margin: 0; }

/* ===== Recent downloads ===== */
.recent-section { margin-bottom: 48px; }
.recent-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.recent-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.recent-thumb img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
}
.recent-info { padding: 12px 14px; }
.recent-title {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: var(--text);
}
.recent-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.recent-channel { font-size: 0.78rem; color: var(--text-muted); }
.recent-badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}
.badge-mp4 { background: #fde8e8; color: var(--primary); }
.badge-mp3 { background: #e8f0fe; color: #1a56db; }
.recent-date { font-size: 0.75rem; color: var(--text-muted); margin: 0; }

/* ===== Notices ===== */
.notice-section { margin-bottom: 20px; }
.notice-list { display: flex; flex-direction: column; gap: 2px; }
.notice-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.notice-item:hover {
  background: var(--primary-pale);
  border-color: var(--border);
  color: var(--text);
}
.notice-date {
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 80px;
}
.notice-title-text {
  flex: 1;
  font-size: 0.92rem;
}
.notice-arrow { color: var(--text-muted); font-size: 0.75rem; }

/* ===== Download page ===== */
.dl-card {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 576px) { .dl-card { padding: 20px; } }

.dl-input {
  border-radius: var(--radius-sm);
  border-color: var(--border);
  padding: 12px 14px;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.dl-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(224, 82, 82, 0.12);
}

.format-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.format-option {
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.format-option:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-pale);
}
.format-option input { display: none; }
.format-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 12px;
  gap: 4px;
}
.format-icon { font-size: 1.6rem; color: var(--primary); }
.format-name { font-weight: 700; font-size: 1rem; }
.format-desc { font-size: 0.78rem; color: var(--text-muted); }

.dl-switch .form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-dl {
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Status */
.dl-status {
  border-top: 1px solid var(--border-light);
  padding-top: 18px;
}
.status-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.status-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f9f9f9;
  letter-spacing: 0.3px;
}
.status-badge.idle    { background: #f9f9f9; }
.status-badge.running { background: #fff3cd; border-color: #ffc107; }
.status-badge.done    { background: #d4edda; border-color: #28a745; }
.status-badge.error   { background: #f8d7da; border-color: #dc3545; }

.status-text { font-size: 0.9rem; color: var(--text-muted); }

.dl-progress { height: 10px; border-radius: 999px; }
.dl-progress .progress-bar { background: linear-gradient(90deg, var(--primary), #f07070); }

.result-box {
  background: #f0fff4;
  border: 1px solid #b7e4c7;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
}
.result-link {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
}

/* Notice box */
.notice-box {
  background: #fff8f0;
  border: 1px solid #fdd9b5;
  border-radius: var(--radius-sm);
  padding: 18px 20px;
}
.notice-box-title { font-size: 0.88rem; font-weight: 600; color: #a05a00; margin-bottom: 8px; }
.notice-box-list { font-size: 0.82rem; color: #7a4500; padding-left: 18px; margin: 0; }
.notice-box-list li { margin-bottom: 4px; }

/* Notice article */
.notice-article {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 32px 36px;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 576px) { .notice-article { padding: 20px; } }
.notice-article-header { margin-bottom: 24px; }
.notice-article-date { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; }
.notice-article-title { font-size: 1.5rem; font-weight: 700; line-height: 1.4; }
.notice-article-body { line-height: 1.8; }

/* Error */
.error-icon { font-size: 4rem; color: var(--primary); }
.error-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 12px; }
.error-message { font-size: 1rem; color: var(--text-muted); }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-icon { font-size: 3rem; display: block; margin-bottom: 12px; }

/* Breadcrumb */
.breadcrumb-item a { color: var(--text-muted); }
.breadcrumb-item.active { color: var(--text); }

/* Pagination override */
.page-link {
  color: var(--primary);
  border-color: var(--border-light);
}
.page-item.active .page-link {
  background-color: var(--primary);
  border-color: var(--primary);
}