:root {
  --bg-color: #0b0f19;
  --card-bg: #111827;
  --card-border: #1f293d;
  --accent-gold: #f59e0b;
  --accent-gold-hover: #d97706;
  --accent-green: #10b981;
  --accent-green-hover: #059669;
  --text-main: #ffffff;
  --text-sub: #9ca3af;
  --border: #1f293d;
  --navy-btn: #1e293b;
  --navy-btn-hover: #334155;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  padding-bottom: 110px;
}

.app-header {
  background-color: #080b12;
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  background-color: var(--accent-gold);
  color: #000;
  font-weight: 900;
  font-size: 1.3rem;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.brand-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}

.brand-badge {
  background-color: rgba(245, 158, 11, 0.2);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.brand-subtext {
  font-size: 0.72rem;
  color: var(--text-sub);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.whatsapp-icon-btn {
  background-color: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.admin-trigger-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-sub);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
}

.content-container {
  padding: 16px;
  max-width: 500px;
  margin: 0 auto;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.hero-section { text-align: center; padding: 20px 0; }
.hero-title { font-size: 1.8rem; font-weight: 800; line-height: 1.25; color: #fff; margin-bottom: 16px; }
.highlight-gold { color: var(--accent-gold); }
.hero-quote { font-style: italic; font-size: 0.95rem; color: #e5e7eb; margin-bottom: 16px; }
.hero-desc { font-size: 0.88rem; color: var(--text-sub); line-height: 1.5; margin-bottom: 25px; }

.action-stack { display: flex; flex-direction: column; gap: 12px; }

.btn {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.95rem;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.15s ease;
  border: none;
}

.btn-lg { padding: 14px; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; width: auto; }

.btn-gold { background-color: var(--accent-gold); color: #000; }
.btn-gold:hover { background-color: var(--accent-gold-hover); }

.btn-navy { background-color: var(--navy-btn); color: #fff; border: 1px solid var(--border); }
.btn-navy:hover { background-color: var(--navy-btn-hover); }

.btn-navy-outline { background-color: transparent; color: #fff; border: 1px solid var(--border); }

.btn-green { background-color: var(--accent-green); color: #fff; }
.btn-green:hover { background-color: var(--accent-green-hover); }

.stats-container { display: flex; flex-direction: column; gap: 12px; margin-top: 25px; }
.stat-card { background-color: var(--card-bg); border: 1px solid var(--card-border); border-radius: 10px; padding: 18px; text-align: left; }
.stat-number { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent-gold); margin-bottom: 4px; }
.stat-label { font-size: 0.72rem; font-weight: 700; color: var(--text-sub); letter-spacing: 0.5px; }

.card { background-color: var(--card-bg); padding: 20px; border-radius: 12px; border: 1px solid var(--card-border); margin-bottom: 16px; }
.card h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.subtitle-text { color: var(--text-sub); font-size: 0.88rem; margin-bottom: 15px; }

.form-group { margin-bottom: 14px; }
.form-group label { font-size: 0.85rem; color: var(--text-sub); display: block; margin-bottom: 4px; }

.search-box input, .form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 11px;
  background-color: var(--bg-color);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.9rem;
}

.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 8px; }
.checkbox-grid label { font-size: 0.85rem; color: #d1d5db; }

.roster-grid { display: flex; flex-direction: column; gap: 12px; margin-top: 12px; }
.driver-card { background-color: var(--bg-color); border: 1px solid var(--border); border-radius: 8px; padding: 15px; }

.badge { display: inline-block; padding: 4px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 700; }
.badge-ready { background-color: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.badge-booked { background-color: rgba(245, 158, 11, 0.15); color: var(--accent-gold); }

/* POP-UP INSTALL BANNER */
.install-banner {
  position: fixed;
  bottom: 60px;
  left: 0; right: 0;
  background-color: #080b12;
  border-top: 1px solid var(--accent-green);
  padding: 10px 16px;
  z-index: 90;
}

.banner-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
  font-size: 0.82rem;
}

.banner-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
}

.close-banner-btn {
  background: none;
  border: none;
  color: var(--text-sub);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0 4px;
}

.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background-color: #080b12;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 100;
}

.nav-btn { background: none; border: none; color: var(--text-sub); display: flex; flex-direction: column; align-items: center; cursor: pointer; width: 25%; }
.nav-btn.active { color: var(--accent-gold); }
.nav-icon { font-size: 1.1rem; }
.nav-label { font-size: 0.72rem; margin-top: 3px; }

.app-footer { text-align: center; padding: 20px 15px; font-size: 0.75rem; color: var(--text-sub); }

.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 20px;
  max-height: 90vh;
  overflow-y: auto;
}

.small-modal { width: 100%; max-width: 380px; }
.admin-large-modal { width: 92%; max-width: 700px; }

.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.close-modal-btn { background: none; border: none; color: var(--text-sub); font-size: 1.6rem; cursor: pointer; }

.admin-actions-bar { display: flex; gap: 10px; }
.hidden { display: none !important; }