/*
 * XOS Main Stylesheet - Enterprise Grade & Responsive
 *
 * Implements modern CSS grid/flexbox layouts, card designs, form styling,
 * status alerts, and mobile-first micro-interactions.
 */

:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #10b981;
  --secondary-hover: #059669;
  --accent-color: #f59e0b;
  --text-dark: #1f2937;
  --text-muted: #6b7280;
  --bg-light: #f3f4f6;
  --bg-card: #ffffff;
  --border-color: #e5e7eb;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background-color: var(--bg-light);
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

.xos-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Header & Typography */
.xos-main-header {
  text-align: center;
  margin-bottom: 40px;
  padding: 40px 20px;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  color: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.xos-main-header h1 {
  margin: 0 0 10px 0;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.xos-main-header p {
  margin: 0;
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Tab Navigation */
.xos-demo-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 30px;
}

.xos-nav-tab {
  background: white;
  border: 1px solid var(--border-color);
  padding: 12px 24px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dark);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.xos-nav-tab:hover {
  background: var(--bg-light);
  transform: translateY(-2px);
}

.xos-nav-tab.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

/* Alert Boxes */
.xos-alert {
  padding: 15px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 25px;
  font-weight: 500;
}

.xos-alert-success {
  background-color: #ecfdf5;
  border-left: 5px solid var(--secondary-color);
  color: #065f46;
}

.xos-alert-danger {
  background-color: #fef2f2;
  border-left: 5px solid #ef4444;
  color: #991b1b;
}

/* Styled Forms */
.xos-form-container {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  max-width: 800px;
  margin: 0 auto;
}

.xos-styled-form h3 {
  margin: 0 0 25px 0;
  font-size: 1.4rem;
  color: #1e3a8a;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.xos-styled-form h3 .dashicons {
  font-size: 24px;
  width: 24px;
  height: 24px;
}

.xos-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .xos-form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.xos-form-group {
  margin-bottom: 20px;
}

.xos-form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.xos-form-group input,
.xos-form-group select,
.xos-form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.2s ease;
}

.xos-form-group input:focus,
.xos-form-group select:focus,
.xos-form-group textarea:focus {
  border-color: var(--primary-color);
}

.xos-btn-submit {
  width: 100%;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.xos-btn-submit:hover {
  background: var(--primary-hover);
}

/* Dashboard Filter Panel */
.xos-dashboard-wrapper {
  margin-top: 20px;
}

.xos-tabs {
  display: flex;
  gap: 5px;
  margin-bottom: 15px;
  border-bottom: 2px solid var(--border-color);
}

.xos-tab-btn {
  padding: 12px 20px;
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
}

.xos-tab-btn:hover {
  color: var(--text-dark);
}

.xos-tab-btn.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.xos-filter-panel {
  background: white;
  padding: 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 25px;
}

.xos-filter-grid {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 15px;
  align-items: flex-end;
}

@media (max-width: 768px) {
  .xos-filter-grid {
    grid-template-columns: 1fr;
  }
}

.xos-filter-field label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.xos-filter-field input,
.xos-filter-field select {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.xos-filter-action {
  display: flex;
  gap: 8px;
}

.xos-btn-filter {
  flex: 1;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.xos-btn-reset {
  background: #f3f4f6;
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  padding: 10px 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  text-align: center;
}

/* Listings Grid & Cards */
.xos-listings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.xos-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 50px 20px;
  background: white;
  border-radius: var(--radius-md);
  color: var(--text-muted);
}

.xos-empty-state .dashicons {
  font-size: 48px;
  width: 48px;
  height: 48px;
  margin-bottom: 15px;
}

.xos-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.xos-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.xos-card-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.xos-card-badge.passenger_request { background: #dbeafe; color: #1e40af; }
.xos-card-badge.cargo_request { background: #fef3c7; color: #92400e; }
.xos-card-badge.ride_offer { background: #d1fae5; color: #065f46; }
.xos-card-badge.cargo_offer { background: #f3e8ff; color: #6b21a8; }

.xos-card-title {
  margin: 15px 0 10px 0;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
}

.xos-card-title a {
  color: var(--text-dark);
  text-decoration: none;
}

.xos-card-title a:hover {
  color: var(--primary-color);
}

.xos-card-route {
  font-size: 0.9rem;
  margin-bottom: 15px;
  flex-grow: 1;
}

.xos-card-route p {
  margin: 4px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.xos-card-route .dashicons {
  font-size: 16px;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.xos-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
  margin-top: auto;
}

.xos-meta-tag {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.xos-meta-price {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--secondary-color);
}

.xos-btn-card-view {
  display: block;
  width: 100%;
  text-align: center;
  background: #f3f4f6;
  color: var(--text-dark);
  padding: 8px 0;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  margin-top: 12px;
}

.xos-btn-card-view:hover {
  background: var(--primary-color);
  color: white;
}

/* Detail Page Custom Layout */
.xos-detail-layout {
  display: grid;
  grid-template-columns: 2.5fr 1fr;
  gap: 30px;
  margin-top: 30px;
}

@media (max-width: 900px) {
  .xos-detail-layout {
    grid-template-columns: 1fr;
  }
}

.xos-detail-main {
  background: white;
  padding: 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.xos-detail-title {
  margin-top: 0;
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.3;
  color: #1e3a8a;
}

.xos-detail-route-card {
  background: var(--bg-light);
  padding: 20px;
  border-radius: var(--radius-sm);
  margin: 20px 0;
}

.xos-detail-route-card h4 {
  margin-top: 0;
}

.xos-detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.xos-detail-meta-box {
  background: white;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  text-align: center;
}

.xos-detail-meta-box strong {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.xos-detail-meta-box span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-color);
}

.xos-detail-content {
  margin-top: 25px;
  font-size: 1rem;
  line-height: 1.6;
}

.xos-contact-panel {
  background: white;
  padding: 25px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  height: fit-content;
  position: sticky;
  top: 20px;
}

.xos-contact-panel h3 {
  margin-top: 0;
  font-size: 1.2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
}

.xos-contact-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  margin-bottom: 12px;
  cursor: pointer;
  box-sizing: border-box;
}

.xos-contact-btn.phone {
  background: var(--secondary-color);
  color: white;
}

.xos-contact-btn.phone:hover {
  background: var(--secondary-hover);
}

.xos-contact-btn.zalo {
  background: #0068ff;
  color: white;
}

.xos-contact-btn.zalo:hover {
  background: #0056d6;
}