:root {
    --primary: #0f766e;        /* teal */
    --primary-dark: #115e59;
    --primary-darker: #0b3f3c;
    --primary-soft: #e6f4f1;
    --accent: #ea580c;         /* warm orange for prices and highlights */
    --bg: #f7f6f2;             /* warm off-white */
    --card-bg: #ffffff;
    --text: #1f2933;
    --muted: #64707d;
    --border: #e6e3dc;
    --success: #15803d;
    --danger: #dc2626;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 14px rgba(16, 24, 40, 0.06);
    --shadow-hover: 0 4px 8px rgba(16, 24, 40, 0.06), 0 14px 28px rgba(16, 24, 40, 0.10);
    --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;
    --font-heading: 'Poppins', 'Segoe UI', Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
}

.info-card > a {
    text-decoration: none;
    font-weight: 500;
}

.info-card > a:hover {
    text-decoration: underline;
}

h1, h2, h3, .brand, .section-title {
    font-family: var(--font-heading);
    letter-spacing: -0.01em;
}

header.site-header {
    background: var(--primary-darker);
    color: white;
    padding: 0.9rem 1.5rem;
    box-shadow: 0 2px 10px rgba(11, 63, 60, 0.25);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.brand {
    font-size: 1.35rem;
    font-weight: 600;
    text-decoration: none;
    color: white;
}

nav.main-nav ul {
    list-style: none;
    display: flex;
    gap: 0.4rem;
    margin: 0;
    padding: 0;
}

nav.main-nav a {
    color: #cfe7e3;
    text-decoration: none;
    font-weight: 500;
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    display: block;
    transition: background 0.15s ease, color 0.15s ease;
}

nav.main-nav a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

nav.main-nav a.active {
    color: var(--primary-darker);
    background: white;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
}

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-darker) 100%);
    color: #eaf6f4;
    border-radius: 16px;
    padding: 2.5rem;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow);
}

.hero h1 {
    margin-top: 0;
    color: white;
    font-size: 2.1rem;
    font-weight: 600;
}

.hero p {
    max-width: 720px;
    font-size: 1.05rem;
}

.contact-info {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    font-size: 0.92rem;
}

.contact-info span {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
}

.section-title {
    font-size: 1.45rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text);
}

footer {
    text-align: center;
    padding: 2rem 1.5rem;
    margin-top: 2rem;
    color: var(--muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
}

.empty-state {
    text-align: center;
    color: var(--muted);
    padding: 2rem;
}

.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.2rem;
}

.event-card {
    background: var(--card-bg);
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.event-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.event-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.event-card-body {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.event-card-body h3 {
    margin: 0;
    font-size: 1.08rem;
    font-weight: 600;
    line-height: 1.35;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
}

.badge.upcoming { background: #dcfce7; color: var(--success); }
.badge.past { background: #eceae4; color: var(--muted); }
.badge.category { background: var(--primary-soft); color: var(--primary-dark); }

.event-meta {
    font-size: 0.85rem;
    color: var(--muted);
}

.price-tag {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--accent);
    margin-top: auto;
}

.page-heading {
    text-align: center;
    margin: 1rem 0 2rem;
}

.page-heading .section-title {
    font-size: 1.9rem;
    margin: 0 0 0.4rem;
}

.section-subtitle {
    margin: 0 auto;
    max-width: 560px;
    color: var(--muted);
    font-size: 1rem;
}

.search-form {
    background: var(--card-bg);
    border-radius: 12px;
    border-top: 4px solid var(--primary);
    padding: 1.75rem;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
}

.form-group input,
.form-group select {
    height: 44px;
    padding: 0 0.85rem;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    background: #fdfdfe;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:hover,
.form-group select:hover {
    border-color: #ced4da;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.18);
    background: #fff;
}

.form-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border);
}

.form-actions button {
    height: 44px;
    padding: 0 1.4rem;
    border-radius: 8px;
    white-space: nowrap;
    transition: background 0.15s ease, transform 0.1s ease;
}

.form-actions button:active {
    transform: translateY(1px);
}

.search-form .btn-secondary {
    background: transparent;
    border: 1px solid #dee2e6;
    color: var(--muted);
}

.search-form .btn-secondary:hover {
    background: var(--bg);
    color: var(--text);
}

@media (max-width: 900px) {
    .search-form { grid-template-columns: repeat(2, 1fr); }
    .form-actions button { flex: 1; }
}

@media (max-width: 560px) {
    .search-form { grid-template-columns: 1fr; padding: 1.25rem; }
}

button, .btn {
    cursor: pointer;
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.3rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary { background: var(--primary); color: white; box-shadow: 0 2px 6px rgba(15, 118, 110, 0.25); }
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary { background: #ecebe6; color: var(--text); }
.btn-secondary:hover { background: #e0ded7; }

#error-message {
    background: #fff5f5;
    color: var(--danger);
    border: 1px solid #ffc9c9;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    display: none;
}

.event-detail {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.event-detail-body h1 {
    font-size: 2rem;
    font-weight: 600;
    margin: 0.6rem 0 0.3rem;
}

.event-detail-body .badge + .badge {
    margin-left: 0.35rem;
}

.event-detail img {
    width: 100%;
    max-height: 360px;
    object-fit: cover;
}

.event-detail-body {
    padding: 1.5rem 2rem 2rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

@media (max-width: 700px) {
    .detail-grid { grid-template-columns: 1fr; }
}

.info-card {
    background: #fbfaf7;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.4rem;
}

.info-card h3 {
    margin-top: 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.progress-bar-track {
    background: var(--border);
    border-radius: 999px;
    height: 12px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress-bar-fill {
    background: linear-gradient(90deg, var(--primary), #14b8a6);
    height: 100%;
    border-radius: 999px;
}

/* event page */
.register-link {
    display: inline-block;
    margin-top: 0.8rem;
    text-decoration: none;
}

.weather-card {
    margin-top: 1.5rem;
}

.registrations-title {
    margin-top: 2rem;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.data-table th,
.data-table td {
    text-align: left;
    padding: 0.7rem 0.9rem;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: var(--primary-soft);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--primary-dark);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* register page */
.register-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 1.5rem;
    align-items: start;
}

.register-layout .info-card {
    background: var(--card-bg);
}

.register-layout .info-card h2 {
    margin: 0.2rem 0 0.5rem;
    font-weight: 600;
    color: var(--primary-dark);
}

.register-form {
    background: var(--card-bg);
    border-radius: 12px;
    border-top: 4px solid var(--primary);
    padding: 1.75rem;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.register-form .form-actions input {
    height: 44px;
    padding: 0 1.4rem;
    border-radius: 8px;
}

.confirmation {
    display: none;
    background: var(--card-bg);
    border-radius: 12px;
    border-top: 4px solid var(--success);
    padding: 1.75rem;
    box-shadow: var(--shadow);
}

.confirmation h2 {
    margin-top: 0;
    color: var(--success);
}

.confirmation .btn {
    display: inline-block;
    text-decoration: none;
    margin-right: 0.5rem;
}

@media (max-width: 800px) {
    .register-layout { grid-template-columns: 1fr; }
    .register-form { grid-template-columns: 1fr; }
}