:root {
  --primary-1: #6C5CE7;
  --primary-2: #0984E3;
  --accent: #00CEC9;
  --dark: #2D3436;
  --bg: #F7F8FC;
  --card-bg: #FFFFFF;
  --success: #00B894;
  --pending: #FDCB6E;
  --danger: #D63031;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  background: var(--card-bg);
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

.navbar .logo {
  font-weight: 800;
  font-size: 22px;
  background: linear-gradient(135deg, var(--primary-1), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.nav-links a {
  margin-left: 20px;
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
}

.container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 20px;
  flex: 1;
  width: 100%;
}

.hero {
  text-align: center;
  padding: 80px 20px;
}

.hero-with-visual {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  gap: 40px;
  padding: 60px 20px;
}

.hero-text {
  flex: 1;
  min-width: 280px;
}

.hero-visual {
  flex: 1;
  min-width: 280px;
}

.hero-visual svg {
  width: 100%;
  height: auto;
  display: block;
}

.hero h1 {
  font-size: 42px;
  margin-bottom: 10px;
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-1), var(--primary-2));
  color: white;
  padding: 12px 28px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.form-card {
  background: var(--card-bg);
  padding: 32px;
  border-radius: 12px;
  max-width: 420px;
  margin: 0 auto 40px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.form-card label {
  display: block;
  margin-top: 16px;
  font-weight: 600;
  font-size: 14px;
}

.form-card input {
  width: 100%;
  padding: 10px;
  margin-top: 6px;
  border: 1px solid #ddd;
  border-radius: 6px;
}

.form-card button {
  margin-top: 24px;
  width: 100%;
}

.error {
  color: var(--danger);
  font-weight: 600;
}

.platform-group {
  margin-bottom: 40px;
  scroll-margin-top: 70px;
}

.platform-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  position: sticky;
  top: 0;
  background: var(--bg);
  padding: 12px 0;
  margin-bottom: 24px;
  z-index: 10;
  border-bottom: 1px solid #e5e5e5;
}

.platform-nav-link {
  padding: 8px 18px;
  border-radius: 20px;
  background: var(--card-bg);
  color: var(--dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  scroll-margin-top: 70px;
}

.platform-nav-link:hover {
  background: linear-gradient(135deg, var(--primary-1), var(--primary-2));
  color: white;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.service-card .category {
  color: #888;
  font-size: 13px;
}

.service-card .price {
  font-weight: 700;
  font-size: 18px;
  margin: 10px 0;
}

.service-card .range {
  font-size: 12px;
  color: #999;
  margin-bottom: 12px;
}

.orders-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: 10px;
  overflow: hidden;
}

.orders-table th, .orders-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid #eee;
}

.status {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: white;
}

.status-pending { background: var(--pending); }
.status-completed { background: var(--success); }
.status-in_progress { background: var(--primary-2); }
.status-canceled { background: var(--danger); }
.status-partial { background: #E17055; }

.footer {
  text-align: center;
  padding: 24px;
  color: #999;
  font-size: 13px;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.stat-number {
  font-size: 28px;
  font-weight: 800;
  margin: 0;
  background: linear-gradient(135deg, var(--primary-1), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: #888;
  font-size: 13px;
  margin: 4px 0 0;
}

.admin-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.inline-form {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-small {
  padding: 6px 14px;
  border: none;
  border-radius: 6px;
  background: var(--primary-2);
  color: white;
  font-weight: 600;
  cursor: pointer;
  font-size: 13px;
}

.install-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card-bg);
  border-radius: 16px;
  padding: 20px 28px;
  margin: 0 20px 40px;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.12);
  border: 1px solid rgba(108, 92, 231, 0.15);
}

.install-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  flex-shrink: 0;
}

.install-text {
  flex: 1;
  min-width: 180px;
}

.install-text h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.install-text p {
  margin: 0;
  font-size: 14px;
  color: #888;
}

.install-btn {
  flex-shrink: 0;
  white-space: nowrap;
  border: none;
  font-size: 14px;
  padding: 10px 22px;
}

.ios-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.ios-modal-content {
  background: white;
  border-radius: 16px;
  padding: 32px;
  max-width: 380px;
  width: 100%;
  position: relative;
}

.ios-modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #888;
}

.ios-steps {
  padding-left: 20px;
  margin: 16px 0;
}

.ios-steps li {
  margin-bottom: 12px;
  line-height: 1.5;
}

.ios-icon {
  font-size: 16px;
}

.ios-note {
  font-size: 13px;
  color: #888;
  margin-top: 16px;
}

@media (max-width: 640px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 20px;
  }

  .navbar .logo {
    font-size: 20px;
  }

  .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    width: 100%;
  }

  .nav-links a {
    margin-left: 0;
    font-size: 14px;
  }

  .container {
    padding: 0 16px;
    margin: 24px auto;
  }

  .hero {
    padding: 48px 16px;
  }

  .hero-with-visual {
    flex-direction: column;
    text-align: center;
    padding: 40px 16px;
  }

  .hero h1 {
    font-size: 28px;
  }
  .admin-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .orders-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}
.install-card {
    flex-direction: column;
    text-align: center;
    margin: 0 16px 32px;
    padding: 24px 20px;
  }

  .install-btn {
    width: 100%;
  }