/* 
  Theme CSS for Nhà Trọ Gần Đây 
  Design System Tokens & Components according to nhatroganday-build-spec.md Section 4
*/

:root {
  --bg: #F4F2EC;
  --surface: #FFFFFF;
  --ink: #16241F;
  --ink-2: #56655E;
  --hairline: #E5E1D8;
  --primary: #0E8F66;
  --primary-dark: #0A6E4E;
  --primary-tint: #E4F3EB;
  --accent: #F0633B;
  --accent-dark: #D24E29;
  --warn-ink: #9A5B12;
  --warn-bg: #FBEFDD;
  --warn-border: #F0DBB8;
  --photo: #DED9CE;
  --photo-icon: #A99F8C;
  --shadow: 0 8px 30px rgba(22, 36, 31, 0.06);
  --shadow-hover: 0 14px 40px rgba(22, 36, 31, 0.12);
  --radius-card: 16px;
  --radius-input: 12px;
  --radius-pill: 999px;
  --maxw: 1240px;
}

/* Base resets & layout */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-input);
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, transform 0.05s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
  text-decoration: none;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
}
.btn-primary:hover {
  background-color: var(--primary-dark);
}
.btn-accent {
  background-color: var(--accent);
  color: #FFFFFF;
}
.btn-accent:hover {
  background-color: var(--accent-dark);
}
.btn-dark {
  background-color: var(--ink);
  color: #FFFFFF;
}
.btn-dark:hover {
  background-color: #000000;
}
.btn-ghost {
  background-color: var(--surface);
  color: var(--ink);
  border: 1.5px solid var(--hairline);
}
.btn-ghost:hover {
  border-color: var(--ink-2);
}
.btn-subtle {
  background-color: var(--primary-tint);
  color: var(--primary-dark);
}
.btn-subtle:hover {
  background-color: #D3EBDD;
}
.btn-sm {
  height: 36px;
  padding: 0 14px;
  font-size: 13.5px;
  border-radius: 10px;
}
.btn-lg {
  height: 52px;
  padding: 0 28px;
  font-size: 16px;
  border-radius: var(--radius-input);
}
.btn-pill {
  border-radius: var(--radius-pill);
}

/* Chips / Badges */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
.chip-verify {
  background-color: var(--primary-tint);
  color: var(--primary-dark);
  border: 1px solid rgba(14, 143, 102, 0.18);
}
.chip-dist {
  background-color: #EEF6F1;
  color: var(--primary-dark);
  height: 24px;
  font-size: 12px;
  padding: 0 9px;
  font-weight: 700;
  border-radius: var(--radius-pill);
}
.chip-warning {
  background-color: var(--warn-bg);
  color: var(--warn-ink);
  border: 1px solid var(--warn-border);
}

/* Navigation */
header.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--surface);
  border-bottom: 1px solid var(--hairline);
  box-shadow: 0 2px 12px rgba(22, 36, 31, 0.03);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.4px;
  color: var(--ink);
}
.brand .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background-color: var(--primary);
  display: grid;
  place-items: center;
  color: #FFFFFF;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-2);
}
.nav-links a {
  transition: color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Hero Section */
.hero {
  padding: 56px 0 40px;
}
.hero-title {
  margin: 16px 0 16px;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -1.2px;
  max-width: 860px;
}
.hero-title .accent {
  color: var(--primary);
}
.hero-sub {
  margin: 0 0 32px;
  font-size: clamp(16px, 2.2vw, 18px);
  color: var(--ink-2);
  max-width: 680px;
}

/* Search Bar Component */
.search-bar-wrap {
  background-color: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 980px;
  box-shadow: var(--shadow);
}
.search-bar-wrap .field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  min-width: 0;
}
.search-bar-wrap input {
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  width: 100%;
  background: transparent;
}
.search-bar-wrap .sep {
  width: 1px;
  height: 32px;
  background-color: var(--hairline);
}
.search-bar-wrap .filter-select {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 600;
  border: none;
  background: transparent;
  outline: none;
  cursor: pointer;
}
.hero-quick {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-quick .hint {
  font-size: 14px;
  color: var(--ink-2);
}

/* Stats Ribbon */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 20px 0 44px;
}
.stat-card {
  background-color: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 22px;
  box-shadow: var(--shadow);
}
.stat-card .big {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stat-card .lbl {
  font-size: 14px;
  color: var(--ink-2);
  margin-top: 6px;
  font-weight: 500;
}

/* Room Cards (Vertical Grid) */
.room-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.room-card {
  display: flex;
  flex-direction: column;
  background-color: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
  position: relative;
}
.room-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.room-card .card-photo {
  position: relative;
  height: 160px;
  background-color: var(--photo);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.room-card .card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.room-card .card-photo .badge-ribbon {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
}
.room-card .card-photo .photo-count {
  position: absolute;
  top: 10px;
  right: 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 24px;
  padding: 0 8px;
  background-color: rgba(22, 36, 31, 0.76);
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  z-index: 2;
}
.room-card .card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.room-card .price {
  font-size: 19px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.room-card .price span {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}
.room-card .title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  margin: 6px 0 10px;
  min-height: 42px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.room-card .meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.room-card .area {
  font-size: 13px;
  color: var(--ink-2);
  font-weight: 600;
}
.room-card .loc {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-2);
  margin-top: auto;
}

/* Room Row (Horizontal for /tim-kiem split view) */
.room-row {
  display: flex;
  gap: 16px;
  background-color: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 14px;
  box-shadow: var(--shadow);
  transition: all 0.18s ease;
  cursor: pointer;
  position: relative;
}
.room-row:hover, .room-row.is-active {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.room-row .row-photo {
  width: 140px;
  height: 110px;
  flex-shrink: 0;
  border-radius: 12px;
  background-color: var(--photo);
  overflow: hidden;
  position: relative;
  display: grid;
  place-items: center;
}
.room-row .row-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.room-row .row-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.room-row .row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.room-row .row-title {
  font-size: 15px;
  font-weight: 700;
  margin: 4px 0 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.room-row .row-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
}

/* Trust Box (Anti-scam 4 steps) */
.trust-box {
  background-color: var(--ink);
  border-radius: 24px;
  padding: 44px;
  display: grid;
  grid-template-columns: 1.1fr 1.3fr;
  gap: 40px;
  align-items: center;
  color: #FFFFFF;
  margin: 56px 0;
}
.trust-box .kicker {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 13px;
  background-color: rgba(255, 255, 255, 0.12);
  color: #8FE3C0;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
}
.trust-box h2 {
  margin: 0 0 14px;
  font-size: 32px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.6px;
}
.trust-box p {
  margin: 0;
  font-size: 16px;
  color: #B9C4BE;
  line-height: 1.6;
}
.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.trust-item {
  background-color: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 20px;
}
.trust-item .item-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background-color: rgba(14, 143, 102, 0.25);
  display: grid;
  place-items: center;
  color: #8FE3C0;
  margin-bottom: 12px;
}
.trust-item .t {
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
}
.trust-item .d {
  font-size: 13px;
  color: #B9C4BE;
  margin-top: 4px;
  line-height: 1.4;
}

/* Trust Panel Component (Inside Room Detail & Landlord) */
.trust-panel {
  background-color: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow);
}
.trust-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
}
.trust-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.step-check {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background-color: var(--primary-tint);
  color: var(--primary-dark);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.step-check.is-pending {
  background-color: #ECEAE3;
  color: var(--ink-2);
}

/* Safety Tips Warning Component */
.safety-tips {
  background-color: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius-card);
  padding: 22px;
  color: var(--warn-ink);
}
.safety-tips h4 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}
.safety-tips ul {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
}

/* Leaflet Map Custom Styles */
.leaflet-price-pin {
  background-color: var(--surface);
  color: var(--ink);
  font-weight: 800;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--primary);
  box-shadow: 0 4px 14px rgba(22, 36, 31, 0.18);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.leaflet-price-pin:hover, .leaflet-price-pin.is-active {
  background-color: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary-dark);
  transform: scale(1.1);
  z-index: 9999 !important;
}
.leaflet-user-pin {
  width: 18px;
  height: 18px;
  background-color: #2563EB;
  border: 3px solid #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.3);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(22, 36, 31, 0.6);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  z-index: 2000;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}
.modal-card {
  background-color: var(--surface);
  border-radius: 20px;
  max-width: 520px;
  width: 100%;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px);
  transition: transform 0.2s ease;
}
.modal-backdrop.is-open .modal-card {
  transform: translateY(0);
}

/* Landlord Dashboard Grid */
.dash-sidebar {
  width: 260px;
  background-color: var(--surface);
  border-right: 1px solid var(--hairline);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.dash-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-2);
  transition: all 0.15s ease;
}
.dash-nav-item:hover, .dash-nav-item.active {
  background-color: var(--primary-tint);
  color: var(--primary-dark);
  font-weight: 700;
}

/* Form controls */
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border-radius: var(--radius-input);
  border: 1.5px solid var(--hairline);
  background-color: var(--surface);
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
}
.form-textarea {
  height: 100px;
  padding: 12px 14px;
  resize: vertical;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .room-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-box {
    grid-template-columns: 1fr;
    padding: 32px;
  }
}

@media (max-width: 768px) {
  .room-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .nav-links, .nav-login-link {
    display: none;
  }
  .nav-toggle-btn {
    display: inline-flex !important;
  }
}

@media (max-width: 540px) {
  .wrap {
    padding: 0 16px;
  }
  .room-grid {
    grid-template-columns: 1fr;
  }
  .search-bar-wrap {
    flex-wrap: wrap;
    padding: 12px;
  }
  .search-bar-wrap .field {
    flex-basis: 100%;
    order: 1;
    height: 44px;
  }
  .search-bar-wrap .sep {
    display: none;
  }
  .search-bar-wrap .filter-select {
    order: 2;
  }
  .search-bar-wrap .btn {
    order: 3;
    margin-left: auto;
  }
}