/* ShiShi LMP - Website styles (đồng bộ với app) */
:root {
  --primary: #2DD4BF;
  --primary-dark: #0F766E;
  --bg-light: #F0FDFA;
  --bg-mint: #F0FDF4;
  --marine: #1A8F65;
  --text: #1e293b;
  --text-muted: #64748b;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-light);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Top bar - giống app */
.topbar {
  background: var(--primary-dark);
  color: white;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: bold;
  font-size: 1.25rem;
  color: white;
}
.topbar-brand img {
  height: 36px;
  width: auto;
}
.topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.topbar-nav a {
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
}
.topbar-nav a:hover {
  background: rgba(255,255,255,0.15);
  text-decoration: none;
}
.topbar-nav a.active {
  background: rgba(255,255,255,0.2);
}

/* Main content */
main {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  padding: 2rem 1.5rem;
}

/* Hero / sections */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--marine) 100%);
  color: white;
  padding: 2.5rem;
  border-radius: 16px;
  margin-bottom: 2rem;
}
.hero h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}
.hero p {
  opacity: 0.95;
  font-size: 1rem;
}

.section-title {
  font-size: 1.35rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: var(--text);
}

/* Cards */
.card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border: 1px solid rgba(15, 118, 110, 0.1);
  margin-bottom: 1rem;
}
.card-image {
  height: 180px;
  background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
  border-bottom: 1px solid rgba(148, 163, 184, 0.4);
  overflow: hidden;
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-body {
  padding: 1.25rem;
}
.card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}
.card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.card-body .price {
  color: var(--primary-dark);
  font-weight: bold;
  font-size: 1rem;
}
.btn {
  display: inline-block;
  background: var(--primary-dark);
  color: white;
  padding: 0.6rem 1.25rem;
  border-radius: 10px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: none;
  margin-top: 0.5rem;
}
.btn:hover {
  background: var(--marine);
  color: white;
  text-decoration: none;
  opacity: 0.95;
}

/* Grid */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
}
.form-group textarea {
  min-height: 120px;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.2);
}

/* Policy page */
.policy-content {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  margin-top: 1rem;
}
.policy-content h2 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary-dark);
}
.policy-content h2:first-child {
  margin-top: 0;
}
.policy-content p,
.policy-content ul {
  margin-bottom: 1rem;
  color: var(--text);
  font-size: 0.95rem;
}
.policy-content ul {
  padding-left: 1.5rem;
}
.policy-content li {
  margin-bottom: 0.35rem;
}
.policy-content .updated {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Footer */
footer {
  background: var(--primary-dark);
  color: white;
  padding: 1.5rem;
  text-align: center;
  margin-top: auto;
  font-size: 0.9rem;
}
footer a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
  color: white;
}
.footer-links {
  margin-top: 0.5rem;
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Empty state (Sessions) */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: white;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.empty-state .icon {
  font-size: 4rem;
  color: var(--primary);
  margin-bottom: 1rem;
  opacity: 0.8;
}
.empty-state h2 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}
.empty-state p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Contact info box */
.contact-info {
  background: white;
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  margin-bottom: 1.5rem;
}
.contact-info h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.contact-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 640px) {
  .topbar {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  .topbar-nav {
    width: 100%;
    justify-content: flex-end;
  }
  main {
    padding: 1.25rem 1rem;
  }
  .service-grid {
    grid-template-columns: 1fr;
  }
}