*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --color-bg: #ffffff;
  --color-fg: #1a1a2e;
  --color-primary: #00b4d8;
  --color-primary-dark: #0096c7;
  --color-accent: #f77f00;
  --color-accent-hover: #e36b00;
  --color-secondary: #90e0ef;
  --color-light: #caf0f8;
  --color-dark: #0d1b2a;
  --color-dark-alt: #1b263b;
  --color-card-bg: #f0f9ff;
  --color-card-border: #d0e8f2;
  --color-footer-bg: #0d1b2a;
  --color-footer-fg: #caf0f8;
  --font-primary: 'Lato', sans-serif;
  --max-width: 1200px;
  --header-height: 64px;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font-primary); color: var(--color-fg); background: var(--color-bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* Header */
.header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(0,0,0,0.06); }
.header__inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }
.header__logo { font-size: 1.5rem; font-weight: 900; display: flex; align-items: center; gap: 8px; }
.header__logo-text { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.header__nav { display: flex; align-items: center; gap: 24px; }
.header__nav a { font-size: 0.85rem; font-weight: 400; transition: color 0.2s; }
.header__nav a:hover { color: var(--color-primary); }
.header__menu-toggle { display: none; background: none; border: none; cursor: pointer; font-size: 24px; color: var(--color-fg); }
@media (max-width: 768px) {
  .header__nav { display: none; }
  .header__menu-toggle { display: block; }
  .header__nav.open { display: flex; flex-direction: column; position: absolute; top: var(--header-height); left: 0; right: 0; background: white; padding: 20px; box-shadow: 0 4px 20px rgba(0,0,0,0.1); gap: 16px; z-index: 999; }
}

/* Footer */
.footer { background: var(--color-footer-bg); color: var(--color-footer-fg); padding: 32px 20px 20px; text-align: center; }
.footer__logo { font-size: 1.3rem; font-weight: 900; margin-bottom: 4px; display: flex; align-items: center; justify-content: center; gap: 8px; }
.footer__copy { font-size: 0.75rem; opacity: 0.5; margin-top: 12px; }

/* Page content */
.page-hero { background: var(--color-dark); color: white; padding: 48px 20px; text-align: center; }
.page-hero h1 { font-size: 2.2rem; font-weight: 900; margin-bottom: 8px; }
.page-hero p { font-size: 1rem; opacity: 0.7; max-width: 600px; margin: 0 auto; }
.page-hero .material-icons { font-size: 3rem; margin-bottom: 12px; opacity: 0.6; }

.page-content { max-width: 720px; margin: 0 auto; padding: 48px 20px 60px; }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; color: var(--color-fg); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--color-card-border); border-radius: 8px;
  font-size: 0.95rem; font-family: var(--font-primary); background: var(--color-card-bg);
  transition: border-color 0.2s, box-shadow 0.2s; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(0,180,216,0.15);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group small { display: block; margin-top: 4px; font-size: 0.78rem; color: #888; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 8px; font-size: 0.95rem; font-weight: 700; font-family: var(--font-primary); cursor: pointer; border: none; transition: all 0.2s; }
.btn--primary { background: var(--color-primary); color: white; }
.btn--primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.btn--accent { background: var(--color-accent); color: white; }
.btn--accent:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.btn--full { width: 100%; justify-content: center; }
.btn--outline { background: transparent; color: var(--color-fg); border: 1px solid var(--color-card-border); }
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* Success message */
.success-msg { display: none; background: #d4edda; border: 1px solid #c3e6cb; color: #155724; padding: 20px; border-radius: 10px; text-align: center; margin-top: 20px; }
.success-msg.show { display: block; animation: fadeIn 0.4s; }
.success-msg h3 { margin-bottom: 6px; }
.success-msg p { font-size: 0.9rem; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* Cards grid */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; margin-top: 24px; }
.card { background: var(--color-card-bg); border: 1px solid var(--color-card-border); border-radius: 10px; padding: 24px; transition: all 0.3s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,180,216,0.1); border-color: var(--color-primary); }
.card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.card p { font-size: 0.85rem; color: #666; margin-bottom: 12px; }
.card .tag { display: inline-block; background: var(--color-primary); color: white; font-size: 0.72rem; padding: 3px 10px; border-radius: 20px; font-weight: 700; }
.card .tag--accent { background: var(--color-accent); }
.card .price { font-size: 1.3rem; font-weight: 900; color: var(--color-primary); }
.card .price small { font-size: 0.75rem; font-weight: 400; color: #888; }

/* Property cards */
.property-card { overflow: hidden; padding: 0; }
.property-card__img { height: 180px; display: flex; align-items: center; justify-content: center; }
.property-card__body { padding: 20px; }
.property-card__meta { display: flex; gap: 16px; font-size: 0.8rem; color: #888; margin-bottom: 8px; }
.property-card__meta span { display: flex; align-items: center; gap: 4px; }

/* Tabs */
.tabs { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.tab-btn { padding: 8px 20px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; font-family: var(--font-primary); cursor: pointer; border: 1px solid var(--color-card-border); background: white; color: var(--color-fg); transition: all 0.2s; }
.tab-btn.active, .tab-btn:hover { background: var(--color-primary); color: white; border-color: var(--color-primary); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; margin: 24px 0; }
.stat { background: var(--color-card-bg); border: 1px solid var(--color-card-border); border-radius: 10px; padding: 20px; text-align: center; }
.stat__value { font-size: 1.8rem; font-weight: 900; color: var(--color-primary); }
.stat__label { font-size: 0.78rem; color: #888; margin-top: 2px; }

/* Search bar */
.search-bar { display: flex; gap: 10px; margin-bottom: 24px; }
.search-bar input { flex: 1; }
.search-bar .btn { white-space: nowrap; }

/* Divider */
.divider { border: none; border-top: 1px solid #e8e8e8; margin: 32px 0; }

/* Back link */
.back-link { display: inline-flex; align-items: center; gap: 4px; font-size: 0.85rem; color: var(--color-primary); font-weight: 600; margin-bottom: 20px; }
.back-link:hover { text-decoration: underline; }

/* Profile button */
.profile-btn {
  display: none; align-items: center; gap: 8px; background: none;
  border: 1px solid var(--color-card-border); border-radius: 20px;
  padding: 4px 12px 4px 4px; cursor: pointer; font-family: var(--font-primary);
  font-size: 0.82rem; font-weight: 600; color: var(--color-fg); transition: all 0.2s;
}
.profile-btn.show { display: flex; }
.profile-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.profile-btn__avatar {
  width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary); color: white;
  display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 900;
}
.profile-dropdown {
  display: none; position: absolute; top: calc(var(--header-height) - 4px); right: 24px;
  background: white; border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  border: 1px solid #e8e8e8; min-width: 300px; z-index: 1001; overflow: hidden;
}
.profile-dropdown.show { display: block; }
.profile-dropdown__header { background: var(--color-dark); color: white; padding: 20px; }
.profile-dropdown__header .pd-name { font-size: 1.1rem; font-weight: 900; }
.profile-dropdown__header .pd-id { font-size: 0.75rem; font-family: monospace; opacity: 0.6; margin-top: 2px; }
.profile-dropdown__body { padding: 12px; }
.profile-dropdown__item {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px;
  font-size: 0.85rem; color: var(--color-fg); transition: background 0.15s; cursor: pointer; text-decoration: none;
}
.profile-dropdown__item:hover { background: var(--color-card-bg); }
.profile-dropdown__item .material-icons { font-size: 20px; color: var(--color-primary); }
.profile-dropdown__divider { border: none; border-top: 1px solid #f0f0f0; margin: 4px 12px; }
.profile-dropdown__item--danger { color: #e63946; }
.profile-dropdown__item--danger .material-icons { color: #e63946; }