/* =========================================
   INDUTEC B2B DESIGN SYSTEM (PHP VERSION)
   ========================================= */

:root {
  /* Colors */
  --bg-dark: #0f172a;
  --bg-panel: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-color: #f97316; /* Safety Orange */
  --accent-hover: #ea580c;
  --border-color: rgba(255, 255, 255, 0.1);
  --success: #10b981;
  --danger: #ef4444;

  /* Glassmorphism */
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  /* Typography */
  --font-family: 'Inter', system-ui, sans-serif;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Background Effect */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(249, 115, 22, 0.05) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

.flex-between { display: flex; justify-content: space-between; align-items: center; }

.fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: 0.5rem; font-weight: 600;
  font-family: var(--font-family); cursor: pointer; border: none;
  transition: var(--transition-normal); font-size: 0.95rem; text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-color); color: white;
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover); transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
}

.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; transform: none; }
.btn-secondary { background-color: transparent; color: var(--text-secondary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: var(--border-color); color: var(--text-primary); }
.btn-full { width: 100%; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem; }

/* Alerts */
.alert {
  padding: 1rem; border-radius: 0.5rem; margin-bottom: 1rem;
  font-size: 0.9rem; text-align: center;
}
.alert-error { background: rgba(239, 68, 68, 0.2); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.3); }
.alert-success { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.3); }

/* Inputs */
.input-group { position: relative; margin-bottom: 1.25rem; }
.input-group i {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  color: var(--text-secondary); width: 1.25rem; height: 1.25rem;
}
.input-group input {
  width: 100%; padding: 0.875rem 1rem 0.875rem 2.75rem;
  background-color: rgba(0, 0, 0, 0.2); border: 1px solid var(--border-color);
  border-radius: 0.5rem; color: var(--text-primary); transition: var(--transition-normal);
  font-size: 1rem;
}
.input-group input:focus {
  outline: none; border-color: var(--accent-color); background-color: rgba(0, 0, 0, 0.3);
  box-shadow: 0 0 0 2px rgba(249, 115, 22, 0.2);
}

/* Search Form */
.search-form { display: flex; gap: 0.5rem; max-width: 600px; align-items: stretch; }
.search-input-wrapper { position: relative; flex-grow: 1; display: flex; align-items: center; }
.search-input-wrapper svg, .search-input-wrapper .lucide { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: var(--text-secondary); width: 1.25rem; height: 1.25rem; pointer-events: none; }
.search-input-wrapper input { width: 100%; height: 100%; padding: 0.75rem 1rem 0.75rem 2.75rem; background: rgba(0,0,0,0.2); border: 1px solid var(--border-color); border-radius: 0.5rem; color: white; font-size: 0.95rem; }
.search-input-wrapper input:focus { outline: none; border-color: var(--accent-color); background: rgba(0,0,0,0.3); }

/* Text truncation */
.line-clamp { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Auth View */
.login-container { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 1rem; }
.login-panel {
  background: var(--glass-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); border-radius: 1rem; padding: 2.5rem;
  width: 100%; max-width: 420px; box-shadow: var(--glass-shadow);
}
.brand-logo { display: flex; align-items: center; justify-content: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.brand-logo h1 { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em; }
.brand-icon { color: var(--accent-color); width: 2rem; height: 2rem; }
.login-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 2rem; font-size: 0.95rem; }

/* Navbar */
.navbar {
  display: flex; justify-content: space-between; align-items: center; padding: 1rem 2rem;
  background: rgba(15, 23, 42, 0.8); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border); position: sticky; top: 0; z-index: 40;
}
.nav-brand { display: flex; align-items: center; gap: 0.75rem; font-weight: 600; font-size: 1.2rem; text-decoration: none; color:white; }
.nav-brand i { color: var(--accent-color); }
.nav-logo-img { height: 2rem; width: auto; object-fit: contain; }
.brand-logo-img { height: 4.5rem; width: auto; object-fit: contain; }
.nav-actions { display: flex; align-items: center; gap: 1rem; }

.cart-btn {
  background: transparent; border: none; color: var(--text-primary); position: relative;
  display: flex; align-items: center; padding: 0.5rem; transition: var(--transition-fast);
  text-decoration: none;
}
.cart-btn:hover { color: var(--accent-color); }
.cart-badge {
  position: absolute; top: -2px; right: -5px; background-color: var(--accent-color);
  color: white; font-size: 0.7rem; font-weight: bold; padding: 2px 6px;
  border-radius: 10px; min-width: 1.2rem; text-align: center;
}
.profile-btn {
  background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border);
  color: var(--text-primary); width: 2.5rem; height: 2.5rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; transition: var(--transition-fast);
  text-decoration: none;
}
.profile-btn:hover { background: rgba(255,255,255,0.1); border-color: var(--text-secondary); }

/* Dashboard Dashboard & Layout */
.dashboard-content { padding: 2rem; max-width: 1400px; margin: 0 auto; }
.catalog-header h2 { font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.catalog-header p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 2rem; }

/* Grid */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2rem; }
.product-card {
  background: var(--bg-panel); border: 1px solid var(--border-color);
  border-radius: 1rem; overflow: hidden; transition: var(--transition-normal);
  display: flex; flex-direction: column; position: relative;
}
.product-card:hover { transform: translateY(-6px); border-color: rgba(255, 255, 255, 0.2); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4); }
.product-img-wrapper { height: 200px; background: #000; overflow: hidden; position: relative; }
.product-img-wrapper img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; transition: var(--transition-normal); }
.product-card:hover .product-img-wrapper img { transform: scale(1.05); opacity: 1; }
.product-brand {
  position: absolute; top: 1rem; left: 1rem; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
  padding: 0.25rem 0.75rem; border-radius: 1rem; font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase; border: 1px solid rgba(255,255,255,0.1); z-index: 2;
}
.product-details { padding: 1.5rem; display: flex; flex-direction: column; flex-grow: 1; }
.product-title { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-primary); }
.product-desc { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 1.5rem; flex-grow: 1; }
.product-meta { display: flex; align-items: center; justify-content: space-between; }
.product-ref { font-size: 0.8rem; color: #64748b; font-family: monospace; }

/* Cart Page */
.cart-layout { display: grid; grid-template-columns: 1fr 380px; gap: 2rem; align-items: start; }
.cart-list { background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: 1rem; padding: 1.5rem; }
.cart-item { display: flex; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--border-color); align-items: center;}
.cart-item:last-child { border-bottom: none; }
.cart-item-img { width: 80px; height: 80px; border-radius: 0.5rem; object-fit: cover; }
.cart-item-details { flex-grow: 1; }
.cart-summary-box {
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  border-radius: 1rem; padding: 1.5rem; position: sticky; top: 100px;
}
.empty-cart-msg { text-align: center; color: var(--text-secondary); padding: 3rem 0; font-style: italic; }

.admin-grid-layout { display: grid; grid-template-columns: 350px 1fr; gap: 2rem; }
.admin-quote-layout { display: grid; grid-template-columns: 1fr 350px; gap: 2rem; align-items: start; }

@media (max-width: 768px) {
  .cart-layout { grid-template-columns: 1fr; }
  .admin-grid-layout, .admin-quote-layout { grid-template-columns: 1fr; }
  .dashboard-content { padding: 1.5rem 1rem; }
  .catalog-header h2 { font-size: 1.75rem; }
  .catalog-filters { display: flex; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 0.5rem; -webkit-overflow-scrolling: touch; }
  .product-img-wrapper { height: 180px; }
  .login-panel { padding: 2rem 1.5rem; }
}

/* Quantity forms inside cart */
.qty-form { display: flex; align-items: center; gap: 0.5rem; }
.qty-input {
  width: 40px; background: rgba(0,0,0,0.2); border: 1px solid var(--border-color);
  color: white; text-align: center; border-radius: 0.25rem; padding: 0.25rem;
}
.remove-btn { background: transparent; border: none; color: var(--danger); cursor: pointer; padding: 0.25rem; display: flex; align-items: center; opacity: 0.7; transition: var(--transition-fast);}
.remove-btn:hover { opacity: 1; }

.toast-container { position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 100; pointer-events: none; }
.toast { background: var(--glass-bg); backdrop-filter: blur(8px); border: 1px solid var(--border-color); color: white; padding: 0.75rem 1.5rem; border-radius: 2rem; font-weight: 500; font-size: 0.9rem; display: flex; align-items: center; gap: 0.5rem; box-shadow: 0 4px 12px rgba(0,0,0,0.3); animation: slideUpFade 0.3s ease forwards; margin-top: 0.5rem;}
.toast.success { border-left: 3px solid var(--success); }

/* Tables for Admin */
.table-container { background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: 1rem; overflow-x: auto; margin-bottom: 2rem;}
.admin-table { width: 100%; border-collapse: collapse; text-align: left; }
.admin-table th, .admin-table td { padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-color); }
.admin-table th { background: rgba(0,0,0,0.2); font-weight: 600; color: var(--text-secondary); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.05em; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }
.badge { display: inline-block; padding: 0.25rem 0.5rem; border-radius: 1rem; font-size: 0.75rem; font-weight: 600; border: 1px solid transparent; }
.badge-pending { border-color: #fbbf24; color: #fcd34d; background: rgba(245, 158, 11, 0.1); }
.badge-completed { border-color: var(--success); color: #6ee7b7; background: rgba(16, 185, 129, 0.1); }