/* ═══════════════════════════════════════════════════════════════
   رشحلي – Main Design System
   Aesthetic: Warm Egyptian dark luxury with gold accents
   ═══════════════════════════════════════════════════════════════ */

/* ── Google Fonts ──────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;900&family=Tajawal:wght@300;400;500;700;800&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Light Mode */
  --bg-primary: #f8f5f0;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #fdf9f4;
  --text-primary: #1a1208;
  --text-secondary: #4a3728;
  --text-muted: #8b7355;
  --border: rgba(180, 140, 80, 0.2);
  --border-strong: rgba(180, 140, 80, 0.4);
  --shadow: 0 4px 24px rgba(100, 60, 10, 0.10);
  --shadow-hover: 0 12px 40px rgba(100, 60, 10, 0.18);

  /* Accent Colors */
  --accent-gold: #c8922a;
  --accent-gold-light: #f0c060;
  --accent-gold-dark: #9e6e18;
  --accent-blue: #2563eb;
  --accent-green: #16a34a;
  --accent-purple: #7c3aed;
  --accent-red: #dc2626;
  --accent-orange: #ea580c;

  /* Gradients */
  --grad-gold: linear-gradient(135deg, #c8922a 0%, #f0c060 50%, #c8922a 100%);
  --grad-hero: linear-gradient(135deg, #1a1208 0%, #2d1f0a 50%, #1a1208 100%);
  --grad-card: linear-gradient(135deg, rgba(200,146,42,0.08) 0%, rgba(240,192,96,0.04) 100%);

  /* Typography */
  --font-display: 'Cairo', 'Tajawal', sans-serif;
  --font-body: 'Tajawal', 'Cairo', sans-serif;

  /* Spacing */
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  /* Transitions */
  --trans: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] {
  --bg-primary: #0d0a06;
  --bg-secondary: #141008;
  --bg-card: #1e1608;
  --bg-card-hover: #261e0c;
  --text-primary: #f5ead8;
  --text-secondary: #c8a870;
  --text-muted: #8b7040;
  --border: rgba(200, 146, 42, 0.15);
  --border-strong: rgba(200, 146, 42, 0.35);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.7);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  direction: rtl;
  text-align: right;
  transition: background var(--trans), color var(--trans);
  overflow-x: hidden;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
ul { list-style: none; }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
}

/* ── Container ─────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Navbar ─────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all var(--trans);
}

.navbar.scrolled {
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  box-shadow: var(--shadow);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.5px;
}

.logo-rash { color: var(--text-primary); }
.logo-li { color: var(--accent-gold); }

.nav-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--trans);
}

.nav-link:hover {
  background: var(--border);
  color: var(--text-primary);
}

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--trans);
  color: var(--text-primary);
}

.theme-toggle {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--trans);
  color: var(--text-primary);
}

.theme-toggle:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 0 12px rgba(200,146,42,0.2);
}

/* Animated glow circle behind button */
.theme-tooltip-ani {
  position: absolute;
  width: 70px;
  height: 70px;
  background: radial-gradient(circle, rgba(200,146,42,0.4) 0%, rgba(200,146,42,0) 70%);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: tooltipPulse 3s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

/* Animated text tooltip */
.theme-tooltip-text {
  position: fixed;
  top: 105px;
  left: 45px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #d4a855 100%);
  color: #1a1a1a;
  padding: 14px 24px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 12px 40px rgba(200,146,42,0.4), inset 0 1px 0 rgba(255,255,255,0.3), 0 2px 8px rgba(0,0,0,0.08);
  animation: tooltipBounce 3s ease-in-out infinite, tooltipGlow 2s ease-in-out infinite, tooltipFadeOut 10s ease-in-out forwards, tooltipScale 3s ease-in-out infinite;
  z-index: 999;
  pointer-events: none;
  letter-spacing: 0.5px;
  transform-origin: center;
}

/* Arrow pointing to button - TOP LEFT */
.theme-tooltip-text::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #d4a855 100%);
  top: -11px;
  left: 38px;
  transform: rotate(45deg);
  box-shadow: inset -1.5px -1.5px 2px rgba(0,0,0,0.15), 0 4px 12px rgba(200,146,42,0.4), -1px -1px 3px rgba(255,255,255,0.3);
  animation: arrowPulse 3s ease-in-out infinite;
}

/* Arrow line pointing up */
.theme-tooltip-text::after {
  content: '';
  position: absolute;
  width: 4px;
  height: 40px;
  background: linear-gradient(to top, var(--accent-gold) 0%, rgba(200,146,42,0.7) 50%, rgba(200,146,42,0.3) 100%);
  top: -50px;
  left: 44px;
  border-radius: 3px;
  animation: arrowLine 3s ease-in-out infinite;
  box-shadow: 0 0 12px rgba(200,146,42,0.6), inset 0 1px 2px rgba(255,255,255,0.3);
}

/* Keyframes */
@keyframes tooltipPulse {
  0% {
    transform: translate(-50%, -50%) scale(0.7);
    opacity: 0.2;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.15);
    opacity: 0.5;
  }
  100% {
    transform: translate(-50%, -50%) scale(0.7);
    opacity: 0.2;
  }
}

@keyframes tooltipBounce {
  0% {
    transform: translate(0, 50px);
    opacity: 0;
  }
  10% {
    transform: translate(0, -5px);
    opacity: 1;
  }
  13% {
    transform: translate(0, 0);
  }
  83% {
    transform: translate(0, 0);
    opacity: 1;
  }
  100% {
    transform: translate(0, 50px);
    opacity: 0;
  }
}

@keyframes tooltipScale {
  0% {
    transform: scale(0.85);
  }
  10%, 83% {
    transform: scale(1);
  }
  100% {
    transform: scale(0.85);
  }
}

@keyframes tooltipGlow {
  0%, 100% {
    box-shadow: 0 12px 40px rgba(200,146,42,0.3), inset 0 1px 0 rgba(255,255,255,0.3), 0 2px 8px rgba(0,0,0,0.08);
  }
  50% {
    box-shadow: 0 12px 50px rgba(200,146,42,0.6), inset 0 1px 0 rgba(255,255,255,0.3), 0 2px 8px rgba(0,0,0,0.08), 0 0 35px rgba(200,146,42,0.45);
  }
}

@keyframes tooltipFadeOut {
  0% {
    opacity: 1;
  }
  83% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    pointer-events: none;
  }
}

@keyframes arrowPulse {
  0%, 100% {
    opacity: 0.4;
    transform: rotate(45deg) scale(0.9);
    box-shadow: inset -1.5px -1.5px 2px rgba(0,0,0,0.15), 0 4px 12px rgba(200,146,42,0.2), -1px -1px 3px rgba(255,255,255,0.3);
  }
  50% {
    opacity: 0.95;
    transform: rotate(45deg) scale(1.2);
    box-shadow: inset -1.5px -1.5px 2px rgba(0,0,0,0.15), 0 8px 20px rgba(200,146,42,0.7), -1px -1px 3px rgba(255,255,255,0.3);
  }
}

@keyframes arrowLine {
  0%, 100% {
    opacity: 0;
    height: 0;
  }
  10%, 83% {
    opacity: 0.8;
    height: 40px;
  }
  100% {
    opacity: 0;
    height: 40px;
  }
}

[data-theme="light"] .moon-icon { display: none; }
[data-theme="dark"] .sun-icon { display: none; }
/* default to light */
.moon-icon { display: none; }

[data-theme="dark"] .moon-icon { display: inline; }
[data-theme="dark"] .sun-icon { display: none; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--trans-bounce);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--grad-gold);
  color: #1a0f00;
  box-shadow: 0 4px 20px rgba(200,146,42,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(200,146,42,0.5);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 2px solid var(--border-strong);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  border-color: var(--accent-gold);
  box-shadow: 0 8px 24px rgba(200,146,42,0.15);
}

.btn-icon { font-size: 1.2rem; }

/* ── Animate-in ─────────────────────────────────────────────── */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  animation-delay: var(--delay, 0s);
}

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

/* ── Phone Cards ────────────────────────────────────────────── */
.phone-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--trans);
  position: relative;
  overflow: hidden;
}

.phone-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  opacity: 0;
  transition: opacity var(--trans);
}

.phone-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-hover);
}

.phone-card:hover::before { opacity: 1; }

.card-status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card-status.new {
  background: rgba(22, 163, 74, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(22, 163, 74, 0.3);
}

.card-status.used {
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent-blue);
  border: 1px solid rgba(37, 99, 235, 0.25);
}

.card-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.card-condition {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.card-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.card-price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

.card-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.spec-item .spec-icon { font-size: 1rem; flex-shrink: 0; }

.card-score {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--grad-gold);
  color: #1a0f00;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.85rem;
}

/* ── GSMarena Link ──────────────────────────────────────────── */
.gsma-link {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 14px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s;
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.gsma-link:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.gsma-link:active {
  transform: translateY(0);
}

/* Dark mode support for GSMarena link */
body.dark-mode .gsma-link {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  border-color: rgba(59, 130, 246, 0.4);
}

body.dark-mode .gsma-link:hover {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

/* ── Loading spinner ────────────────────────────────────────── */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px;
  color: var(--text-muted);
  font-size: 1rem;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ── Section header ─────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 80px;
}

.footer-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-logo { margin-bottom: 4px; }
.footer-copy { font-size: 0.8rem; }

/* ── Empty State ────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 4rem; margin-bottom: 20px; }
.empty-state h3 { font-size: 1.4rem; margin-bottom: 8px; color: var(--text-secondary); }
.empty-state p { font-size: 1rem; }

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 50px;
  padding: 14px 28px;
  font-weight: 600;
  box-shadow: var(--shadow-hover);
  z-index: 999;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast.show { transform: translateX(-50%) translateY(0); }

/* ── Admin Button ───────────────────────────────────────────── */
.admin-button-container {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 50;
}

.admin-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  color: white;
}

.admin-button:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

.admin-button:active {
  transform: scale(0.95);
}

/* Dark mode support for admin button */
body.dark-mode .admin-button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

body.dark-mode .admin-button:hover {
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
  .admin-button-container {
    bottom: 20px;
    left: 20px;
  }

  .admin-button {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }

  .phone-card { padding: 18px; }

  .card-specs { grid-template-columns: 1fr; }

  .btn {
    padding: 12px 22px;
    font-size: 0.95rem;
  }
}