/* ============================================
   مزاد قطر - التنسيقات الأساسية
   ============================================ */

:root {
  --primary: #0d6efd;
  --primary-dark: #0a58ca;
  --secondary: #198754;
  --danger: #dc3545;
  --warning: #ffc107;
  --dark: #1a1a2e;
  --gray: #6c757d;
  --light: #f8f9fa;
  --border: #e9ecef;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f7fa;
  color: #212529;
  line-height: 1.6;
  direction: rtl;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

/* ========== Navbar ========== */
.navbar {
  background: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.8rem 0;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.3rem;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.btn-success {
  background: var(--secondary);
  color: white;
}

.btn-danger {
  background: var(--danger);
  color: white;
}

/* ========== Container ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========== Hero ========== */
.hero {
  background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
  color: white;
  padding: 4rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== Section ========== */
.section {
  padding: 3.5rem 0;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title a {
  font-size: 1rem;
  color: var(--primary);
  font-weight: 500;
}

/* ========== Auction Cards ========== */
.auctions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.auction-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s;
}

.auction-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.auction-card .image-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: #eee;
}

.auction-card .image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.auction-card:hover .image-wrapper img {
  transform: scale(1.05);
}

.auction-card .badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--danger);
  color: white;
  padding: 0.3rem 0.7rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.auction-card .content {
  padding: 1.2rem;
}

.auction-card .title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.8em;
}

.auction-card .price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.auction-card .meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--gray);
  margin-top: 0.8rem;
}

.auction-card .time-left {
  color: var(--danger);
  font-weight: 600;
}

/* ========== Categories ========== */
.categories {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  margin-bottom: 2rem;
}

.category-btn {
  white-space: nowrap;
  padding: 0.6rem 1.2rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 30px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.category-btn:hover,
.category-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* ========== Footer ========== */
.footer {
  background: var(--dark);
  color: #ccc;
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer h4 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: 0.5rem;
}

.footer a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
}

/* ========== Utilities ========== */
.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 1rem; }
.hidden { display: none !important; }

/* Loading */
.loading {
  display: flex;
  justify-content: center;
  padding: 3rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #eee;
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========== Auth Forms ========== */
.auth-page {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.auth-card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 440px;
  padding: 2.5rem 2rem;
}

.auth-card h1 {
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  text-align: center;
}

.auth-card .subtitle {
  text-align: center;
  color: var(--gray);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
  font-family: inherit;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

.form-group .error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 0.3rem;
  display: none;
}

.form-group.has-error input {
  border-color: var(--danger);
}

.form-group.has-error .error {
  display: block;
}

.auth-card .btn {
  width: 100%;
  padding: 0.85rem;
  font-size: 1rem;
  margin-top: 0.5rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--gray);
}

.auth-footer a {
  color: var(--primary);
  font-weight: 600;
}

.auth-footer a:hover {
  text-decoration: underline;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
  display: none;
}

.alert-error {
  background: #f8d7da;
  color: #842029;
  border: 1px solid #f5c2c7;
}

.alert-success {
  background: #d1e7dd;
  color: #0f5132;
  border: 1px solid #badbcc;
}

.alert.show {
  display: block;
}