:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --border: #d8deea;
    --text: #1e293b;
    --muted: #64748b;
    --primary: #0f766e;
    --primary-dark: #115e59;
    --danger: #b91c1c;
    --danger-dark: #991b1b;
    --flash-success-bg: #dcfce7;
    --flash-success-border: #86efac;
    --flash-error-bg: #fee2e2;
    --flash-error-border: #fca5a5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px;
}

.site-header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.site-header .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.site-header h1 {
    margin: 0;
    font-size: 1.2rem;
}

.site-header h1 a {
    color: var(--text);
    text-decoration: none;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

nav a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

h2, h3 {
    margin-top: 0;
}

.page-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.form-card,
.card-link,
.flash {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.form-card {
    padding: 12px;
    margin-bottom: 14px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 12px;
}

.card-link {
    display: block;
    padding: 14px;
    text-decoration: none;
    color: var(--text);
}

.card-link h3 {
    margin-bottom: 8px;
}

.disabled-card {
    opacity: 0.8;
}

.flash-wrapper {
    margin-bottom: 14px;
}

.flash {
    padding: 12px 14px;
    margin-bottom: 10px;
}

.flash-success {
    background: var(--flash-success-bg);
    border-color: var(--flash-success-border);
}

.flash-error {
    background: var(--flash-error-bg);
    border-color: var(--flash-error-border);
}

label {
    display: block;
    margin: 10px 0 6px;
    font-weight: 600;
}

input[type="text"],
input[type="number"],
select,
input[type="file"] {
    width: 100%;
    padding: 10px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    font-size: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
}

th, td {
    border: 1px solid var(--border);
    padding: 8px;
    text-align: left;
    vertical-align: top;
}

th {
    background: #eef2f7;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.button-row.compact {
    margin-top: 0;
}

.button {
    display: inline-block;
    padding: 10px 12px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
}

.button:hover {
    background: var(--primary-dark);
}

.button.secondary {
    background: #475569;
}

.button.secondary:hover {
    background: #334155;
}

.button.danger {
    background: var(--danger);
}

.button.danger:hover {
    background: var(--danger-dark);
}

.inline-form {
    display: inline;
    margin: 0;
}

.player-select-list {
    display: grid;
    gap: 10px;
    margin-top: 8px;
}

.player-select-item {
    display: grid;
    grid-template-columns: minmax(150px, 1fr) 110px 120px;
    gap: 8px;
    align-items: center;
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
}

.player-select-item label {
    margin: 0;
    font-weight: 500;
}

.muted {
    color: var(--muted);
    font-size: 0.88rem;
}

.table-wrap {
    overflow-x: auto;
    margin-top: 12px;
    margin-bottom: 12px;
    -webkit-overflow-scrolling: touch;
}

.compact-table-wrap {
    overflow-x: auto;
}

.score-table input[type="number"] {
    min-width: 56px;
}

.compact-score-table {
    table-layout: auto;
    min-width: 100%;
}

.compact-score-table th,
.compact-score-table td {
    padding: 6px 4px;
    text-align: center;
}

.compact-score-table .meta-col {
    min-width: 42px;
    width: 42px;
}

.compact-score-table .player-col {
    min-width: 72px;
    width: 72px;
}

.compact-score-table .sticky-col {
    position: sticky;
    left: 0;
    z-index: 2;
    background: #eef2f7;
}

.compact-score-table tbody .sticky-col {
    background: #fff;
}

.compact-score-table .player-header {
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-items: center;
}

.compact-score-table .player-name {
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.1;
}

.score-cell {
    min-width: 68px;
}

.hole-length {
    font-size: 0.72rem;
    color: var(--muted);
    line-height: 1;
    margin-bottom: 4px;
    min-height: 14px;
}

.compact-score-input {
    width: 54px !important;
    min-width: 54px !important;
    padding: 6px 4px !important;
    text-align: center;
    font-size: 16px;
}

.summary-row td {
    background: #f8fafc;
    font-weight: 700;
}

.nine-summary-row td {
    border-top: 3px solid var(--primary);
    border-bottom: 3px solid var(--primary);
    background: #eefcf9;
}

.back-nine-start td {
    border-top: 2px solid var(--border);
}

.leaderboard-card {
    margin-bottom: 20px;
}

.leaderboard-table td strong {
    font-size: 1rem;
}

.mobile-stack-table th,
.mobile-stack-table td {
    padding: 8px 6px;
}

@media (max-width: 900px) {
    .player-select-item {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 10px;
    }

    .site-header h1 {
        font-size: 1.05rem;
    }

    nav {
        gap: 6px;
    }

    nav a {
        font-size: 0.88rem;
    }

    .form-card {
        padding: 10px;
    }

    .button {
        padding: 10px 10px;
        font-size: 0.9rem;
    }

    .compact-score-table .meta-col {
        min-width: 38px;
        width: 38px;
    }

    .compact-score-table .player-col {
        min-width: 66px;
        width: 66px;
    }

    .compact-score-input {
        width: 48px !important;
        min-width: 48px !important;
        padding: 5px 3px !important;
    }

    .hole-length {
        font-size: 0.68rem;
    }

    .mobile-stack-table thead {
        display: none;
    }

    .mobile-stack-table,
    .mobile-stack-table tbody,
    .mobile-stack-table tr,
    .mobile-stack-table td {
        display: block;
        width: 100%;
    }

    .mobile-stack-table tr {
        margin-bottom: 10px;
        border: 1px solid var(--border);
        border-radius: 10px;
        background: #f8fafc;
        padding: 8px;
    }

    .mobile-stack-table td {
        border: none;
        padding: 4px 0;
    }
}