/* ============================================================
   TC Grün-Weiß Training — Vintage Sports Poster Theme
   ============================================================ */

:root {
    --forest: #1f5132;
    --forest-light: #2a6b43;
    --cream: #f4efe4;
    --cream-dark: #e8e0d0;
    --clay: #b05a2c;
    --clay-light: #c4723e;
    --tennis-yellow: #d9e021;
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-muted: #555555;
    --shadow: rgba(31, 81, 50, 0.15);
    --border-radius: 4px;
}

/* ============================================================
   Reset & Base
   ============================================================ */

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

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    background-color: var(--cream);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--forest);
    text-decoration: none;
}

a:hover {
    color: var(--forest-light);
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Georgia', serif;
    font-weight: bold;
    letter-spacing: 0.02em;
}

/* ============================================================
   Navbar
   ============================================================ */

.navbar {
    background-color: var(--forest);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.navbar-brand:hover {
    color: var(--tennis-yellow);
    text-decoration: none;
}

.navbar-brand .brand-accent {
    color: var(--tennis-yellow);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    list-style: none;
    flex-wrap: wrap;
}

.navbar-nav a {
    color: var(--cream);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 0.03em;
    transition: color 0.15s;
}

.navbar-nav a:hover {
    color: var(--tennis-yellow);
    text-decoration: none;
}

.navbar-nav a.active {
    color: var(--tennis-yellow);
    font-weight: bold;
}

.navbar-player {
    font-size: 0.85rem;
    color: var(--cream-dark);
    font-style: italic;
}

/* ============================================================
   Main Content
   ============================================================ */

.main-content {
    flex: 1;
    padding: 2rem 1.5rem;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
}

/* ============================================================
   Flash Messages
   ============================================================ */

.flash-messages {
    margin-bottom: 1.5rem;
}

.flash {
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    border-left: 4px solid transparent;
}

.flash-success {
    background-color: #d4edda;
    color: #155724;
    border-left-color: var(--forest);
}

.flash-error {
    background-color: #f8d7da;
    color: #721c24;
    border-left-color: #dc3545;
}

.flash-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left-color: var(--tennis-yellow);
}

.flash-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-left-color: #17a2b8;
}

/* ============================================================
   Cards
   ============================================================ */

.card {
    background-color: var(--white);
    border: 1px solid var(--forest);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    border-bottom: 2px solid var(--forest);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
    font-size: 1.15rem;
    font-weight: bold;
    color: var(--forest);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.card-title {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--forest);
    margin-bottom: 0.5rem;
}

/* Content lists inside cards and container */
.card ul, .card ol,
.container ul, .container ol {
    margin: 0.5rem 0 1rem 1.5rem;
    padding: 0;
}

.card li, .container li {
    margin-bottom: 0.25rem;
}

.card p, .container > p {
    margin-bottom: 0.75rem;
}

.card h2 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    color: var(--forest);
}

.card h2:first-child {
    margin-top: 0;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
    display: inline-block;
    padding: 0.5rem 1.1rem;
    font-size: 0.9rem;
    font-family: 'Georgia', serif;
    font-weight: bold;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s, color 0.15s, border-color 0.15s;
    line-height: 1.4;
}

.btn:hover {
    text-decoration: none;
}

/* Primary — forest green */
.btn-primary,
.btn {
    background-color: var(--forest);
    color: var(--white);
    border-color: var(--forest);
}

.btn-primary:hover,
.btn:hover {
    background-color: var(--forest-light);
    border-color: var(--forest-light);
    color: var(--white);
}

/* Secondary — outlined */
.btn-secondary {
    background-color: transparent;
    color: var(--forest);
    border-color: var(--forest);
}

.btn-secondary:hover {
    background-color: var(--forest);
    color: var(--white);
}

/* Clay / orange */
.btn-clay {
    background-color: var(--clay);
    color: var(--white);
    border-color: var(--clay);
}

.btn-clay:hover {
    background-color: var(--clay-light);
    border-color: var(--clay-light);
    color: var(--white);
}

/* Danger — red */
.btn-danger {
    background-color: #c0392b;
    color: var(--white);
    border-color: #c0392b;
}

.btn-danger:hover {
    background-color: #a93226;
    border-color: #a93226;
    color: var(--white);
}

/* Small variant */
.btn-small {
    padding: 0.3rem 0.7rem;
    font-size: 0.78rem;
}

/* Availability buttons — colored variants */
.btn-sicher {
    background-color: var(--forest);
    color: var(--white);
    border-color: var(--forest);
}
.btn-sicher:hover {
    background-color: var(--forest-light);
    border-color: var(--forest-light);
}

.btn-ersatz {
    background-color: var(--tennis-yellow);
    color: var(--text-dark);
    border-color: var(--tennis-yellow);
}
.btn-ersatz:hover {
    background-color: #c5ca1e;
    border-color: #c5ca1e;
}

.btn-verhindert {
    background-color: #c0392b;
    color: var(--white);
    border-color: #c0392b;
}
.btn-verhindert:hover {
    background-color: #a93226;
    border-color: #a93226;
}

/* Outlined availability buttons (inactive state) */
.btn-outline-sicher {
    background-color: transparent;
    color: var(--forest);
    border-color: var(--forest);
}
.btn-outline-sicher:hover {
    background-color: var(--forest);
    color: var(--white);
}

.btn-outline-ersatz {
    background-color: transparent;
    color: #8a8c10;
    border-color: var(--tennis-yellow);
}
.btn-outline-ersatz:hover {
    background-color: var(--tennis-yellow);
    color: var(--text-dark);
}

.btn-outline-verhindert {
    background-color: transparent;
    color: #c0392b;
    border-color: #c0392b;
}
.btn-outline-verhindert:hover {
    background-color: #c0392b;
    color: var(--white);
}

/* ============================================================
   Forms
   ============================================================ */

.form-group {
    margin-bottom: 1.1rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--forest);
    margin-bottom: 0.35rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-family: 'Georgia', serif;
    font-size: 1rem;
    border: 1px solid #aaa;
    border-radius: var(--border-radius);
    background-color: var(--white);
    color: var(--text-dark);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--forest);
    box-shadow: 0 0 0 2px rgba(31, 81, 50, 0.2);
}

.form-group .hint {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    font-style: italic;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--forest);
    cursor: pointer;
}

.checkbox-group label {
    font-size: 0.95rem;
    color: var(--text-dark);
    cursor: pointer;
    margin: 0;
    text-transform: none;
    font-weight: normal;
    letter-spacing: 0;
}

/* ============================================================
   Availability Buttons
   ============================================================ */

.avail-btn {
    display: inline-block;
    padding: 0.45rem 1rem;
    font-size: 0.85rem;
    font-family: 'Georgia', serif;
    font-weight: bold;
    letter-spacing: 0.03em;
    border: 2px solid #ccc;
    border-radius: var(--border-radius);
    cursor: pointer;
    background-color: var(--cream-dark);
    color: var(--text-muted);
    transition: background-color 0.15s, border-color 0.15s, color 0.15s;
    text-transform: uppercase;
}

.avail-btn:hover {
    border-color: #999;
    color: var(--text-dark);
}

/* Sicher (confirmed) — forest green */
.avail-btn.active-sicher {
    background-color: var(--forest);
    border-color: var(--forest);
    color: var(--white);
}

/* Ersatz (substitute) — tennis yellow */
.avail-btn.active-ersatz {
    background-color: var(--tennis-yellow);
    border-color: #b8bf0d;
    color: var(--text-dark);
}

/* Verhindert (unavailable) — clay */
.avail-btn.active-verhindert {
    background-color: var(--clay);
    border-color: var(--clay);
    color: var(--white);
}

/* ============================================================
   Tables
   ============================================================ */

.table-container {
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

table thead th {
    background-color: var(--forest);
    color: var(--white);
    padding: 0.65rem 1rem;
    text-align: left;
    font-weight: bold;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.82rem;
}

table tbody tr:nth-child(even) {
    background-color: var(--cream-dark);
}

table tbody tr:nth-child(odd) {
    background-color: var(--white);
}

table tbody tr:hover {
    background-color: #ddf0e4;
}

table tbody td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--cream-dark);
    vertical-align: middle;
}

/* ============================================================
   Badges
   ============================================================ */

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: bold;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    border-radius: 999px;
    white-space: nowrap;
}

.badge-sicher {
    background-color: var(--forest);
    color: var(--white);
}

.badge-ersatz {
    background-color: var(--tennis-yellow);
    color: var(--text-dark);
}

.badge-verhindert {
    background-color: var(--clay);
    color: var(--white);
}

.badge-open {
    background-color: #6c757d;
    color: var(--white);
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
    background-color: var(--forest);
    color: var(--cream-dark);
    padding: 1rem 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    margin-top: auto;
}

.footer a {
    color: var(--cream);
    text-decoration: underline;
    margin: 0 0.5rem;
}

.footer a:hover {
    color: var(--tennis-yellow);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.4rem;
}

/* ============================================================
   Centered Message (landing page / empty states)
   ============================================================ */

.centered-message {
    text-align: center;
    padding: 4rem 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.centered-message h1 {
    font-size: 2rem;
    color: var(--forest);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.centered-message p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.centered-message .club-logo {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1;
}

/* ============================================================
   Utility
   ============================================================ */

.text-muted {
    color: var(--text-muted);
    font-style: italic;
}

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.flex {
    display: flex;
}

.flex-wrap {
    flex-wrap: wrap;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

.align-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

/* HTMX loading indicator */
.htmx-indicator {
    display: none;
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.85rem;
}

.htmx-request .htmx-indicator {
    display: inline;
}

/* ============================================================
   Responsive — Mobile (≤ 600px)
   ============================================================ */

@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .navbar-nav {
        gap: 0.75rem;
        font-size: 0.9rem;
    }

    .main-content {
        padding: 1.25rem 1rem;
    }

    .card {
        padding: 1rem;
    }

    table {
        font-size: 0.85rem;
    }

    table thead th,
    table tbody td {
        padding: 0.5rem 0.6rem;
    }

    .btn {
        padding: 0.45rem 0.85rem;
        font-size: 0.82rem;
    }

    .centered-message h1 {
        font-size: 1.5rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
}