/* ============================================================
   Abby 社群儀表板 — 樣式
   Design System: abby-brand-DESIGN.md
   ============================================================ */

:root {
  /* Primary Brand */
  --primary: #FFB66E;
  --primary-dark: #E8973D;
  --primary-light: #FFF3E5;
  --primary-yellow: #FADE9E;
  --coral: #EB8F80;

  /* Background & Surface */
  --bg: #FFF8F0;
  --card: #FFFFFF;

  /* Text */
  --text: #606060;
  --text-light: #8A8A8A;
  --text-muted: #B0B0B0;

  /* Border */
  --border: #E8E8E8;
  --disabled: #D4D4D4;

  /* Semantic */
  --success: #7BC47F;
  --warning: #F0AD4E;
  --danger: #D9534F;
  --info: #5BC0DE;

  /* Situational */
  --mint: #9CE1CF;
  --grass: #D4E5AC;
  --lavender: #C7ADD5;

  /* Layout */
  --sidebar-width: 220px;

  /* Depth */
  --shadow-subtle: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-card: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-elevated: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-modal: 0 16px 48px rgba(0,0,0,0.16);
  --shadow-brand: 0 2px 8px rgba(255,182,110,0.3);

  /* Platform */
  --fb-color: #1877F2;
  --ig-color: #E4405F;
  --threads-color: #000000;
}

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

body {
  font-family: "Noto Sans TC", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
}

/* ===== 側邊欄（Design System §4 Navigation） ===== */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: #FFFFFF;
  border-right: 1px solid var(--border);
  padding: 24px 0;
  z-index: 100;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-brand {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.sidebar-brand .logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
}

.sidebar-brand .tagline {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.nav-section-label {
  padding: 0 20px 8px;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 8px;
}

.nav-links {
  list-style: none;
  flex: 1;
}

.nav-links li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}

.nav-links li:hover {
  background: #FFE8CC;
  color: var(--primary-dark);
}

.nav-links li.active {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-left-color: var(--primary-dark);
  font-weight: 600;
}

.nav-icon { font-size: 18px; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.sidebar-footer .back-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.15s;
}

.sidebar-footer .back-link:hover {
  color: var(--primary-dark);
}

/* ===== 主內容區 ===== */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

/* ===== Page Banner（漸層 Header）===== */
.page-banner {
  background: linear-gradient(135deg, #FFB66E, #E8973D);
  color: white;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.page-banner h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
}

.page-banner .subtitle {
  font-size: 13px;
  opacity: 0.85;
  margin-top: 2px;
}

.account-badge {
  font-size: 13px;
  background: rgba(255,255,255,0.25);
  color: white;
  padding: 4px 14px;
  border-radius: 9999px;
  font-weight: 500;
}

/* ===== 頁面切換 ===== */
.page { display: none; }
.page.active { display: block; }

/* ===== 統計卡片（Design System §4 Dashboard）===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 24px 32px 0;
}

.stat-card {
  background: var(--card);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}

.stat-card .label {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.stat-card .value {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-dark);
}

.stat-card .detail {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.stat-trend {
  font-size: 13px;
  font-weight: 600;
  margin-top: 4px;
}
.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--danger); }

.stat-goal {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

/* ===== 各平台快速卡片（Design System §4 Cards）===== */
.platform-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 24px 32px 0;
}

.platform-card {
  background: var(--card);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}

.platform-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--primary);
}

.platform-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.platform-icon { font-size: 24px; }
.platform-name { font-size: 16px; font-weight: 700; }

.platform-card-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.platform-stat .ps-label {
  display: block;
  font-size: 12px;
  color: var(--text-light);
}

.platform-stat .ps-value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-top: 2px;
}

.trend-up { color: var(--success); }
.trend-down { color: var(--danger); }
.trend-neutral { color: var(--text-light); }

/* ===== 面板（圖表區）===== */
.panels-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 24px 32px 0;
}

.panel {
  background: var(--card);
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}

.panel h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.chart-wrapper {
  height: 280px;
  position: relative;
}

/* ===== 資料表格（Design System §4 Dashboard 表格）===== */
.table-section {
  padding: 24px 32px;
}

.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.table-toolbar h3 {
  font-size: 15px;
  font-weight: 600;
}

.table-toolbar-actions {
  display: flex;
  gap: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  font-size: 13px;
}

thead { background: var(--primary-light); }

th {
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-light);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

td {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr:hover { background: var(--primary-light); }

.text-green { color: var(--success); font-weight: 600; }
.text-red { color: var(--danger); font-weight: 600; }

.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-orange { background: var(--primary-light); color: var(--primary-dark); }

.actions {
  display: flex;
  gap: 6px;
}

/* ===== 最近動態 ===== */
.activity-list { max-height: 300px; overflow-y: auto; }

.activity-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.activity-item:last-child { border-bottom: none; }

.activity-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }

.activity-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.activity-date {
  color: var(--text-light);
  font-size: 12px;
  font-weight: 500;
}

.activity-text {
  font-size: 14px;
  color: var(--text);
}

.empty-hint {
  color: var(--text-light);
  font-size: 14px;
  text-align: center;
  padding: 40px 0;
}

/* ===== 按鈕（Design System §4 Buttons）===== */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 9999px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
  white-space: nowrap;
}

.btn-sm { padding: 6px 14px; font-size: 13px; }

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255,182,110,0.4);
}
.btn-primary:active { transform: translateY(0); }

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

.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover { opacity: 0.9; transform: translateY(-2px); }

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
  border-radius: 4px;
  transition: background 0.15s;
}
.btn-icon:hover { background: var(--primary-light); }

/* ===== Modal（Design System §6 Level 4）===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 200;
  justify-content: center;
  align-items: flex-start;
  padding-top: 60px;
  overflow-y: auto;
}

.modal-overlay.show { display: flex; }

.modal {
  background: var(--card);
  border-radius: 16px;
  width: 600px;
  max-width: 95vw;
  box-shadow: var(--shadow-modal);
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 { font-size: 17px; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-light);
  line-height: 1;
}
.modal-close:hover { color: var(--text); }

.modal-body { padding: 20px; }

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ===== 表單（Design System §4 Input & Form）===== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  font-family: inherit;
  background: white;
  color: var(--text);
  outline: none;
  transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border: 2px solid var(--primary);
  box-shadow: 0 0 0 3px rgba(255,182,110,0.15);
  padding: 11px 15px; /* compensate 2px border */
}

.form-group textarea { resize: vertical; min-height: 60px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== 設定 ===== */
.settings-section { padding: 24px 32px; }

.settings-card {
  background: var(--card);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}

.settings-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.settings-card h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  margin: 16px 0 8px;
  text-transform: uppercase;
}

.settings-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== 響應式（Design System §8）===== */
@media (max-width: 1200px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .platform-cards { grid-template-columns: 1fr; }
  .panels-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar {
    width: 60px;
    padding: 16px 0;
  }
  .sidebar-brand .logo,
  .sidebar-brand .tagline,
  .nav-section-label,
  .nav-links li span:not(.nav-icon) {
    display: none;
  }
  .sidebar-brand { padding: 0 0 16px; text-align: center; }
  .nav-links li { justify-content: center; padding: 14px 0; }
  .main-content { margin-left: 60px; }
  .stats-row, .platform-cards, .panels-row, .table-section, .settings-section {
    padding-left: 16px;
    padding-right: 16px;
  }
  .page-banner { padding: 16px; }
  .page-banner h1 { font-size: 18px; }
  .form-row { grid-template-columns: 1fr; }
  body { font-size: 14px; }
}