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

:root {
  --bg: #f5f5f7;
  --bg-surface: rgba(0,0,0,0.03);
  --bg-card: rgba(255,255,255,0.75);
  --bg-hover: rgba(0,0,0,0.03);
  --border: rgba(0,0,0,0.08);
  --border-light: rgba(0,0,0,0.12);
  --text: #1d1d1f;
  --text-secondary: rgba(0,0,0,0.55);
  --text-muted: rgba(0,0,0,0.35);
  --accent: #3b82f6;
  --accent-light: #2563eb;
  --accent-glow: rgba(59,130,246,0.2);
  --green: #34c759;
  --green-bg: rgba(52,199,89,0.12);
  --red: #ff3b30;
  --red-bg: rgba(255,59,48,0.12);
  --orange: #ff9500;
  --orange-bg: rgba(255,149,0,0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --max-w: 1200px;
  --header-h: 64px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  overflow-x: hidden;
}

body::before {
  content: ''; position: fixed; inset: 0; z-index: -1;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(59,130,246,0.03) 0%, transparent 60%),
              radial-gradient(ellipse 60% 50% at 80% 80%, rgba(96,165,250,0.02) 0%, transparent 60%);
  pointer-events: none;
}

a { color: var(--accent-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }

/* ── Header ── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,245,247,0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border); height: var(--header-h);
}
.header-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; gap: 24px;
}
.header-logo {
  font-size: 22px; font-weight: 900; letter-spacing: -1px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-decoration: none;
}
.header-nav { display: flex; gap: 4px; margin-left: auto; }
.header-nav a {
  padding: 8px 16px; border-radius: var(--radius-xs); font-size: 14px; font-weight: 500;
  color: var(--text-secondary); transition: all 0.2s;
}
.header-nav a:hover, .header-nav a.active { color: var(--text); background: var(--bg-hover); }
.header-user { display: flex; align-items: center; gap: 10px; }
.header-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #fff;
}
.header-logout {
  font-size: 13px; color: var(--red); cursor: pointer; background: none; border: none;
  font-family: 'Inter', sans-serif; transition: opacity 0.2s;
}
.header-logout:hover { opacity: 0.8; }

/* ── Container ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 32px 24px; }

/* ── Hero ── */
.hero { text-align: center; padding: 80px 24px 60px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px); font-weight: 900; letter-spacing: -2px;
  line-height: 1.1; margin-bottom: 16px;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { font-size: 18px; color: var(--text-secondary); max-width: 500px; margin: 0 auto 32px; }
.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: var(--radius-sm); font-family: 'Inter', sans-serif;
  font-size: 15px; font-weight: 600; cursor: pointer; border: none;
  transition: all 0.2s; letter-spacing: -0.2px; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2563eb; transform: translateY(-1px); box-shadow: 0 8px 25px rgba(59,130,246,0.3); }
.btn-outline { background: transparent; border: 1px solid var(--border-light); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-light); background: rgba(59,130,246,0.05); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #e0352b; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn:disabled { opacity: 0.4; cursor: default; transform: none; box-shadow: none; }

/* ── Cards ── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: transform 0.2s, border-color 0.2s; box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.card:hover { border-color: var(--border-light); }
.card-glass {
  background: rgba(255,255,255,0.75); border: 1px solid rgba(0,0,0,0.06);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

/* ── Forms ── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary);
  margin-bottom: 6px; letter-spacing: 0.3px;
}
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: rgba(0,0,0,0.03);
  color: var(--text); font-family: 'Inter', sans-serif; font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s; letter-spacing: -0.2px;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-input::placeholder { color: var(--text-muted); }
.form-select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff88' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.form-checkbox { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--text-secondary); }
.form-checkbox input { margin-top: 2px; accent-color: var(--accent); width: 16px; height: 16px; flex-shrink: 0; }

/* ── Alerts ── */
.alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 16px; }
.alert-error { background: var(--red-bg); color: var(--red); border: 1px solid rgba(255,59,48,0.25); }
.alert-success { background: var(--green-bg); color: var(--green); border: 1px solid rgba(52,199,89,0.25); }
.alert-info { background: rgba(59,130,246,0.1); color: var(--accent-light); border: 1px solid rgba(59,130,246,0.25); }

/* ── Stats Grid ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; text-align: center; transition: transform 0.2s, border-color 0.2s;
}
.stat-card:hover { transform: translateY(-2px); border-color: var(--border-light); }
.stat-value { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; }
.stat-value.accent { color: var(--accent-light); }
.stat-value.green { color: var(--green); }
.stat-value.red { color: var(--red); }
.stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ── Tables ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  padding: 12px 16px; text-align: left; font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-secondary);
  background: var(--bg-surface); border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td { padding: 12px 16px; border-bottom: 1px solid var(--border); color: var(--text); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-hover); }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 500;
  white-space: nowrap;
}
.badge-blue { background: rgba(59,130,246,0.12); color: var(--accent-light); }
.badge-green { background: var(--green-bg); color: var(--green); }
.badge-red { background: var(--red-bg); color: var(--red); }
.badge-orange { background: var(--orange-bg); color: var(--orange); }

/* ── Tabs ── */
.tabs { display: flex; gap: 4px; margin-bottom: 24px; background: var(--bg-surface); border-radius: var(--radius-sm); padding: 4px; border: 1px solid var(--border); overflow-x: auto; }
.tab-btn {
  padding: 10px 20px; border-radius: 8px; border: none; background: transparent;
  color: var(--text-secondary); font-family: 'Inter', sans-serif; font-size: 14px;
  font-weight: 500; cursor: pointer; white-space: nowrap; transition: all 0.2s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { background: var(--accent); color: #fff; }

/* ── Search ── */
.search-box { position: relative; margin-bottom: 16px; }
.search-box .form-input { padding-left: 42px; }
.search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 16px; }

/* ── Filters ── */
.filters { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.filter-btn {
  padding: 6px 14px; border-radius: 20px; font-size: 12px; font-weight: 500;
  border: 1px solid var(--border); background: transparent; color: var(--text-secondary);
  cursor: pointer; font-family: 'Inter', sans-serif; transition: all 0.2s; white-space: nowrap;
}
.filter-btn:hover { border-color: var(--border-light); color: var(--text); }
.filter-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Modal ── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.8); backdrop-filter: blur(4px);
  align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: #0d0d1a; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; max-width: 520px; width: 90%; max-height: 85vh; overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5); animation: modalIn 0.25s ease-out;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(8px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal h2 { font-size: 20px; font-weight: 700; margin-bottom: 20px; letter-spacing: -0.3px; }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; color: var(--text-secondary); font-size: 22px; cursor: pointer;
}

/* ── Auth Pages ── */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 40px; width: 100%; max-width: 420px;
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}

/* ── Animations ── */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.animate-in { animation: fadeInUp 0.4s ease-out; }
.animate-in-delay-1 { animation: fadeInUp 0.4s ease-out 0.1s both; }
.animate-in-delay-2 { animation: fadeInUp 0.4s ease-out 0.2s both; }
.animate-in-delay-3 { animation: fadeInUp 0.4s ease-out 0.3s both; }
.loading {
  background: linear-gradient(90deg, var(--bg-card) 0%, var(--bg-hover) 50%, var(--bg-card) 100%);
  background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius-sm);
}

/* ── Animations ── */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.92); } to { opacity: 1; transform: scale(1); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
@keyframes glowPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(59,130,246,0.2); } 50% { box-shadow: 0 0 0 8px rgba(59,130,246,0); } }

/* Scroll reveal — always visible, animation on entry */
.reveal {
  animation: fadeInUp 0.6s ease-out both;
}
.reveal-left { animation: fadeInLeft 0.6s ease-out both; }
.reveal-right { animation: fadeInRight 0.6s ease-out both; }
.reveal-scale { animation: scaleIn 0.5s ease-out both; }

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Enhanced hover effects */
.card, .card-glass, .feature-card, .order-item, .stat-card {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.3s ease,
              border-color 0.3s ease;
}
.card:hover, .card-glass:hover, .card.reveal.visible:hover, .card-glass.reveal.visible:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  border-color: rgba(59,130,246,0.25);
}
.feature-card:hover, .feature-card.reveal.visible:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 12px 40px rgba(59,130,246,0.1);
  border-color: rgba(59,130,246,0.3);
}
.order-item:hover, .order-item.reveal.visible:hover {
  transform: translateX(4px) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border-color: rgba(59,130,246,0.2);
}
.stat-card:hover, .stat-card.reveal.visible:hover {
  transform: translateY(-4px) !important;
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

/* Button hover — works regardless of reveal */
.btn-primary:hover { transform: translateY(-2px) !important; box-shadow: 0 8px 25px rgba(59,130,246,0.35); }
.btn-primary:active { transform: scale(0.97) !important; }
.header-nav a:hover { transform: translateY(-1px) !important; }
.tab-btn:hover { transform: translateY(-1px) !important; }
.filter-btn:hover { transform: translateY(-1px) !important; border-color: var(--accent); }
.form-input:focus, .form-select:focus { transform: translateY(-1px) !important; }

/* Button hover glow */
.btn-primary {
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59,130,246,0.35);
}
.btn-primary:active {
  transform: scale(0.97);
}

/* Nav link hover */
.header-nav a {
  transition: all 0.25s ease;
}
.header-nav a:hover {
  transform: translateY(-1px);
}

/* Tab hover */
.tab-btn {
  transition: all 0.25s ease;
}
.tab-btn:hover {
  transform: translateY(-1px);
}

/* Filter tag hover */
.filter-btn {
  transition: all 0.25s ease;
}
.filter-btn:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

/* Form input focus glow */
.form-input, .form-select {
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}
.form-input:focus, .form-select:focus {
  transform: translateY(-1px);
}

/* Shimmer loading */
.skeleton {
  background: linear-gradient(90deg, rgba(0,0,0,0.04) 0%, rgba(0,0,0,0.08) 50%, rgba(0,0,0,0.04) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  height: 20px;
}

/* Float animation for icons */
.float-icon { animation: float 3s ease-in-out infinite; }

/* ── Utility ── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-accent { color: var(--accent-light); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.p-16 { padding: 16px; }
.p-24 { padding: 24px; }
.hidden { display: none; }

/* ── Pricing block ── */
.price-display {
  text-align: center; padding: 20px; background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2); border-radius: var(--radius);
  margin-bottom: 20px;
}
.price-amount { font-size: 32px; font-weight: 900; color: var(--accent-light); letter-spacing: -1px; }
.price-label { font-size: 13px; color: var(--text-secondary); }

/* ── Tracking result ── */
.track-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; margin-top: 16px;
}
.track-code { font-size: 20px; font-weight: 800; letter-spacing: 1px; color: var(--accent-light); }
.track-status { font-size: 16px; font-weight: 600; margin-top: 8px; }
.track-route { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

/* ── Order list items ── */
.order-item {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 20px; margin-bottom: 10px; transition: all 0.2s;
}
.order-item:hover { border-color: var(--border-light); }
.order-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.order-code { font-weight: 700; font-size: 16px; letter-spacing: 0.5px; }
.order-meta { font-size: 13px; color: var(--text-secondary); }
.order-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }
.order-price { font-weight: 700; font-size: 18px; }

/* ── Feature cards (landing) ── */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; transition: all 0.3s; text-align: center;
}
.feature-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 12px 40px rgba(59,130,246,0.08); }
.feature-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 16px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* ── Profile Header ── */
.profile-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Avatar upload */
.avatar-upload-wrap {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 22px; color: #fff;
  cursor: pointer; flex-shrink: 0;
  position: relative; overflow: hidden;
  transition: transform 0.2s;
  background-size: cover; background-position: center;
}
.avatar-upload-wrap:hover { transform: scale(1.05); }
.avatar-upload-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.2s;
}
.avatar-upload-wrap:hover .avatar-upload-overlay { opacity: 1; }

/* Icon button (pencil) */
.btn-icon {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.btn-icon:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .container { padding: 20px 16px; }
  .hero { padding: 60px 16px 40px; }
  .header-inner { padding: 0 16px; }
  .header-nav { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .features { grid-template-columns: 1fr; }
  .auth-card { padding: 24px; }
  .modal { padding: 24px; margin: 16px; }
}