:root {
  --navy: #073b4c;
  --deep-blue: #0a5c7a;
  --ocean: #118ab2;
  --teal: #06d6a0;
  --sand: #ffd166;
  --coral: #ef476f;
  --ink: #1c2b33;
  --muted: #5c6b73;
  --bg: #f6faf9;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(7, 59, 76, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

a { color: var(--ocean); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ---------- NAVBAR ---------- */
.navbar {
  background: linear-gradient(120deg, var(--navy), var(--deep-blue));
  color: var(--white);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}
.navbar-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--white); font-weight: 700; font-size: 1.1rem; }
.brand .wave { font-size: 1.4rem; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--white); opacity: 0.9; font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { opacity: 1; text-decoration: none; }
.btn-register-nav {
  background: var(--teal);
  color: var(--navy) !important;
  padding: 8px 18px;
  border-radius: 30px;
  font-weight: 700;
}
.admin-gear {
  opacity: 0.55;
  font-size: 1.1rem;
  padding: 4px 6px;
  border-radius: 6px;
}
.admin-gear:hover { opacity: 0.95; text-decoration: none; background: rgba(255,255,255,0.08); }

/* ---------- HERO ---------- */
.hero {
  background:
    linear-gradient(180deg, rgba(7,59,76,0.75), rgba(10,92,122,0.55)),
    url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400"><rect width="800" height="400" fill="%23118ab2"/></svg>');
  background-size: cover;
  color: var(--white);
  padding: 90px 0 70px;
  text-align: center;
}
.hero h1 { font-size: 2.4rem; margin: 0 0 10px; }
.hero .subtitle { font-size: 1.15rem; opacity: 0.95; margin-bottom: 6px; }
.hero .location { font-weight: 600; color: var(--sand); }
.hero-cta { margin-top: 30px; }

.btn {
  display: inline-block;
  padding: 14px 34px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 1.05rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary { background: var(--coral); color: var(--white); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(239,71,111,0.35); text-decoration: none; }
.btn-secondary { background: var(--white); color: var(--navy); border: 2px solid var(--navy); }
.btn-block { width: 100%; text-align: center; }

/* ---------- SECTIONS ---------- */
.section { padding: 60px 0; }
.section-title { text-align: center; margin-bottom: 8px; color: var(--navy); font-size: 1.8rem; }
.section-subtitle { text-align: center; color: var(--muted); margin-bottom: 40px; }

.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.event-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  border-top: 5px solid var(--teal);
}
.event-card.longboard { border-top-color: var(--sand); }
.event-card h3 { color: var(--navy); margin-top: 0; }
.event-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(6,214,160,0.15);
  color: #06975f;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.event-card.longboard .event-tag { background: rgba(255,209,102,0.25); color: #a56a00; }
.event-fee { font-weight: 700; color: var(--coral); margin-top: 10px; }

.info-box {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
}
.info-box ul { padding-left: 20px; }
.info-box li { margin-bottom: 8px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
@media (max-width: 768px) {
  .two-col { grid-template-columns: 1fr; }
  .nav-links { gap: 12px; }
  .hero h1 { font-size: 1.8rem; }
}

footer {
  background: var(--navy);
  color: rgba(255,255,255,0.75);
  padding: 30px 0;
  text-align: center;
  font-size: 0.9rem;
  margin-top: 40px;
}
footer a { color: var(--sand); }

/* ---------- FORMS ---------- */
.form-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 34px;
  max-width: 720px;
  margin: 40px auto;
}
.form-card h2 { color: var(--navy); margin-top: 0; }
.form-group { margin-bottom: 18px; }
label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
input[type=text], input[type=email], input[type=tel], input[type=number],
select, textarea, input[type=file] {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid #dde5e8;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--ocean); }
.hint { font-size: 0.83rem; color: var(--muted); margin-top: 4px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; }
.checkbox-row input { width: auto; margin-top: 4px; }
.error-box {
  background: #fdecef;
  border: 1px solid var(--coral);
  color: #9b1c3a;
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
}
.success-box {
  background: #e7faf3;
  border: 1px solid var(--teal);
  color: #06764f;
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
}
.total-amount-box {
  background: var(--bg);
  border: 1.5px dashed var(--ocean);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  text-align: right;
  margin: 20px 0;
}

/* ---------- STATUS BADGES ---------- */
.badge { display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; }
.badge-pending { background: #fff3cd; color: #8a6d00; }
.badge-paid, .badge-registered { background: #d4f7e8; color: #06764f; }
.badge-failed { background: #fdecef; color: #9b1c3a; }
.badge-cancelled { background: #e9ecef; color: #495057; }

/* ---------- ADMIN ---------- */
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 230px;
  background: var(--navy);
  color: var(--white);
  padding: 24px 0;
  flex-shrink: 0;
}
.admin-sidebar .brand { padding: 0 20px 20px; font-size: 1rem; }
.admin-sidebar a {
  display: block;
  padding: 12px 22px;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,0.08); color: var(--white); text-decoration: none; }
.admin-main { flex: 1; padding: 30px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 18px; margin-bottom: 30px; }
.stat-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; text-align: center; }
.stat-card .num { font-size: 2rem; font-weight: 800; color: var(--navy); }
.stat-card .label { color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }

table.data-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
table.data-table th, table.data-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid #eef2f3; font-size: 0.92rem; }
table.data-table th { background: #f0f5f6; color: var(--navy); }
table.data-table tr:hover { background: #f9fcfc; }

.filters-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.filters-bar select, .filters-bar input { padding: 8px 12px; border-radius: 8px; border: 1.5px solid #dde5e8; }

.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(120deg, var(--navy), var(--deep-blue)); }
.login-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px; width: 100%; max-width: 380px; }
.login-card h2 { color: var(--navy); text-align: center; }