/* Mbox 簡訊平台 - 主樣式表 v2.0 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;600;700&display=swap');

/* ===== CSS 變數 ===== */
:root {
  --primary: #1a56db;
  --primary-dark: #1347c0;
  --primary-light: #eff4ff;
  --secondary: #6c757d;
  --success: #0e9f6e;
  --danger: #f05252;
  --warning: #ff5a1f;
  --info: #3f83f8;
  --dark: #111928;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.2s ease;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }

/* ===== Navbar ===== */
.navbar {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0;
}
.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}
.navbar-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
}
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.navbar-nav a {
  padding: 8px 16px;
  border-radius: var(--radius);
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active {
  background: var(--primary-light);
  color: var(--primary);
}
.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--gray-700);
  font-size: 1.2rem;
}

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(135deg, #1a56db 0%, #5850ec 50%, #7e3af2 100%);
  color: white;
  padding: 80px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; max-width: 760px; margin: 0 auto; }
.hero h1 { font-size: 2.8rem; font-weight: 700; line-height: 1.2; margin-bottom: 20px; }
.hero p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 32px; }
.hero-badges { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.badge {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  backdrop-filter: blur(4px);
}
.hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: white; }
.btn-outline {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); color: white; }
.btn-white {
  background: white;
  color: var(--primary);
}
.btn-white:hover { background: var(--gray-100); color: var(--primary-dark); }
.btn-ghost {
  background: transparent;
  color: var(--gray-700);
  border-color: var(--gray-300);
}
.btn-ghost:hover { background: var(--gray-100); }
.btn-danger { background: var(--danger); color: white; border-color: var(--danger); }
.btn-danger:hover { background: #c81e1e; color: white; }
.btn-success { background: var(--success); color: white; border-color: var(--success); }
.btn-sm { padding: 6px 14px; font-size: 0.82rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* ===== Cards ===== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title { font-size: 1rem; font-weight: 600; color: var(--gray-800); }
.card-body { padding: 24px; }
.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
}

/* ===== Container ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 60px 0; }
.section-sm { padding: 32px 0; }

/* ===== Grid ===== */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== Forms ===== */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.form-label .required { color: var(--danger); margin-left: 2px; }
.form-control {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--gray-800);
  transition: var(--transition);
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.1);
}
.form-control::placeholder { color: var(--gray-400); }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { cursor: pointer; }
.form-hint { font-size: 0.8rem; color: var(--gray-500); margin-top: 4px; }
.form-error { font-size: 0.8rem; color: var(--danger); margin-top: 4px; }
.input-group { display: flex; }
.input-group .form-control { border-radius: var(--radius) 0 0 var(--radius); }
.input-group .btn { border-radius: 0 var(--radius) var(--radius) 0; }

/* ===== Alerts / Flash ===== */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  border-left: 4px solid;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
}
.alert-success { background: #ecfdf5; border-color: var(--success); color: #065f46; }
.alert-danger  { background: #fef2f2; border-color: var(--danger);  color: #991b1b; }
.alert-warning { background: #fffbeb; border-color: var(--warning); color: #92400e; }
.alert-info    { background: #eff6ff; border-color: var(--info);    color: #1e40af; }

/* ===== Tables ===== */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 0.9rem;
}
.table th {
  background: var(--gray-50);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-600);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--gray-200);
}
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--gray-50); }

/* ===== Badges ===== */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge-active { background: #ecfdf5; color: #059669; }
.badge-inactive { background: var(--gray-100); color: var(--gray-500); }
.badge-pending { background: #fffbeb; color: #d97706; }
.badge-rejected { background: #fef2f2; color: #dc2626; }

/* ===== Pagination ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
}
.pagination a, .pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--gray-200);
  color: var(--gray-700);
  transition: var(--transition);
}
.pagination a:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); color: white; border-color: var(--primary); }

/* ===== Footer ===== */
footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 48px 24px 24px;
  margin-top: auto;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { color: white; font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.footer-desc { font-size: 0.85rem; line-height: 1.8; }
.footer-title { color: white; font-weight: 600; margin-bottom: 14px; font-size: 0.9rem; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: var(--gray-400); font-size: 0.85rem; }
.footer-links a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-muted   { color: var(--gray-500); }
.font-bold    { font-weight: 700; }
.font-medium  { font-weight: 500; }
.d-flex       { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.p-0 { padding: 0; }
.w-100 { width: 100%; }
.hidden { display: none; }

/* ===== Spinner ===== */
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .navbar-nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: white; padding: 12px; box-shadow: var(--shadow-md); }
  .navbar-nav.open { display: flex; }
  .navbar-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 480px) {
  .hero { padding: 48px 16px; }
  .section { padding: 36px 0; }
  .container { padding: 0 16px; }
}