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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f8f9fa;
  color: #212529;
  line-height: 1.6;
}

/* Header */
.site-header { background: #fff; border-bottom: 1px solid #e9ecef; padding: 0 24px; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 56px; max-width: 960px; margin: 0 auto; }
.nav-logo { font-size: 1.2rem; font-weight: 700; text-decoration: none; color: #2d6a4f; }
.nav-links { display: flex; gap: 16px; align-items: center; }
.nav-links a { text-decoration: none; color: #495057; font-size: 0.9rem; }
.nav-links a:hover { color: #2d6a4f; }
.nav-hint { font-size: 0.85rem; color: #adb5bd; }

/* Main */
.main-content { max-width: 960px; margin: 0 auto; padding: 24px 16px 48px; }

/* Hero */
.hero { text-align: center; padding: 48px 0 32px; }
.hero h1 { font-size: 2rem; color: #2d6a4f; margin-bottom: 8px; }
.hero-sub { color: #6c757d; font-size: 1.1rem; }

/* Sections */
.section { margin-bottom: 40px; }
.section h2 { font-size: 1.4rem; margin-bottom: 16px; color: #343a40; }
.welcome { font-size: 1.1rem; margin-top: 8px; color: #495057; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card { background: #fff; border: 1px solid #e9ecef; border-radius: 10px; padding: 20px; }
.card h3 { font-size: 1.05rem; margin-bottom: 8px; color: #212529; }
.card p { font-size: 0.9rem; color: #6c757d; margin-bottom: 12px; }
.card-center { text-align: center; padding: 32px; }
.price { font-size: 1.1rem !important; font-weight: 700; color: #2d6a4f !important; }

/* Buttons */
.btn { display: inline-block; padding: 10px 20px; background: #2d6a4f; color: #fff; border-radius: 6px; text-decoration: none; font-size: 0.95rem; cursor: pointer; }
.btn:hover { background: #1b4332; }
.btn-sm { padding: 6px 14px; font-size: 0.85rem; }
.btn-disabled { background: #dee2e6; color: #adb5bd; cursor: default; }

/* Login hint */
.login-hint .card { background: #f1f8f5; border-color: #b7e4c7; }

/* Day nav */
.day-label { color: #6c757d; margin-top: 4px; }
.day-nav { display: flex; gap: 12px; margin-bottom: 8px; }

/* Menu */
.menu-card { background: #fff; border: 1px solid #e9ecef; border-radius: 10px; overflow: hidden; }
.meal { padding: 20px; border-bottom: 1px solid #f1f3f5; }
.meal:last-child { border-bottom: none; }
.meal h3 { font-size: 1rem; margin-bottom: 8px; color: #2d6a4f; }
.meal p { white-space: pre-wrap; font-size: 0.92rem; color: #495057; }

/* Back link */
.back-link { display: inline-block; margin-bottom: 12px; color: #6c757d; text-decoration: none; font-size: 0.9rem; }
.back-link:hover { color: #2d6a4f; }

/* Footer */
.site-footer { text-align: center; padding: 24px; color: #adb5bd; font-size: 0.85rem; border-top: 1px solid #e9ecef; }