:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #1e3a8a;
    --color-accent: #fb923c;
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-input-bg: #263349;
    --color-border: #334155;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-success: #4ade80;
    --color-success-bg: rgba(74, 222, 128, 0.14);
    --color-danger: #f87171;
    --color-danger-bg: rgba(248, 113, 113, 0.14);
    --color-warning: #fbbf24;
    --color-warning-bg: rgba(251, 191, 36, 0.14);
    --radius: 10px;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.4);
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Hiragino Sans", "Yu Gothic", "Segoe UI", sans-serif;
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

main {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 4rem;
}

.site-header {
    background: var(--color-primary-dark);
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.site-brand {
    color: #fff;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.03em;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.site-logo {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #fff;
    padding: 3px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.site-nav {
    display: flex;
    gap: 1.2rem;
}

.site-nav a {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
}

.site-nav a:hover {
    color: #fff;
    text-decoration: underline;
}

.site-nav-user {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    align-self: center;
}

.site-nav-logout {
    display: inline;
    margin: 0;
}

.site-nav-logout button {
    background: none;
    border: none;
    padding: 0;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
}

.site-nav-logout button:hover {
    color: #fff;
    text-decoration: underline;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 360px;
}

h1 {
    font-size: 1.5rem;
    margin: 1.2rem 0 1rem;
}

h2 {
    font-size: 1.15rem;
    margin: 1.8rem 0 0.8rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--color-border);
}

h3 {
    font-size: 1rem;
    margin: 1rem 0 0.5rem;
    color: var(--color-text-muted);
}

section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.2rem 1.4rem;
    margin-bottom: 1.2rem;
}

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

button {
    font: inherit;
    cursor: pointer;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.55rem 1.1rem;
    font-weight: 600;
    transition: background 0.15s ease, opacity 0.15s ease;
}

button:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

button:disabled {
    background: #475569;
    color: var(--color-text-muted);
    cursor: not-allowed;
}

button.btn-small {
    padding: 0.3rem 0.7rem;
    font-size: 0.82rem;
}

button.btn-outline {
    background: transparent;
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

button.btn-outline:hover:not(:disabled) {
    background: var(--color-danger-bg);
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="password"],
select,
textarea {
    font: inherit;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-input-bg);
    color: var(--color-text);
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

a.inline-action {
    margin-right: 0.6rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.court-input {
    width: 6rem;
    margin-right: 0.6rem;
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
}

.wizard .steps {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.wizard .steps li {
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    background: var(--color-input-bg);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.wizard .steps li.active {
    background: var(--color-primary);
    color: #fff;
}

.step {
    display: none;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.step.active {
    display: flex;
}

.step label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.step label input[type="checkbox"] {
    flex-direction: row;
    width: fit-content;
}

.format-fields {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
}

.tiebreak-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.tiebreak-list li,
.seed-list li {
    padding: 0.5rem 0.8rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    cursor: grab;
    font-weight: 600;
}

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

.court-panel label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
}

.court-name-inputs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.court-name-input {
    width: 8rem;
}

.court-preferences {
    margin-bottom: 0.8rem;
}

.court-pref-row {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    margin-right: 1rem;
    font-weight: 400;
}

.confirm-summary h3 {
    margin-top: 1.2rem;
}

table.confirm-table {
    width: auto;
    min-width: 320px;
    margin-bottom: 1rem;
}

table.confirm-table th {
    text-align: left;
    color: var(--color-text-muted);
    font-weight: 600;
    padding-right: 1.5rem;
    white-space: nowrap;
    border-bottom: 1px solid var(--color-border);
}

table.confirm-table td {
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
}

.confirm-teams {
    line-height: 1.9;
}

.field-label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.field-hint {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-top: -0.5rem;
}

.wizard-nav {
    display: flex;
    gap: 0.8rem;
}

.error {
    white-space: pre-line;
    color: var(--color-danger);
    background: var(--color-danger-bg);
    border: 1px solid var(--color-danger);
    padding: 0.8rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.seed-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-width: 320px;
}

.pool-board {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.pool-column {
    list-style: none;
    padding: 0.5rem;
    margin: 0;
    min-width: 160px;
    min-height: 120px;
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
}

.pool-column li {
    padding: 0.4rem 0.6rem;
    margin-bottom: 0.4rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    cursor: grab;
}

table {
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    width: 100%;
    font-size: 0.92rem;
}

table th, table td {
    border-bottom: 1px solid var(--color-border);
    padding: 0.5rem 0.6rem;
    text-align: left;
}

table thead th {
    background: var(--color-bg);
    font-weight: 700;
    color: var(--color-text-muted);
}

table tbody tr:first-child td {
    font-weight: 700;
}

.bracket {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
}

.bracket-round {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 180px;
}

.bracket-match {
    padding: 0.6rem 0.8rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.bracket-match.third-place {
    border-style: dashed;
}

.bracket-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.schedule-grid-wrap {
    overflow-x: auto;
    margin-bottom: 1rem;
}

table.schedule-grid {
    border-collapse: separate;
    border-spacing: 0.6rem;
    width: auto;
    min-width: 100%;
    margin-bottom: 0;
}

table.schedule-grid th,
table.schedule-grid td {
    border-bottom: none;
    vertical-align: top;
}

table.schedule-grid thead th {
    background: none;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-align: center;
    white-space: nowrap;
}

table.schedule-grid tbody th {
    text-align: left;
    white-space: nowrap;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 700;
    padding-right: 1rem;
}

table.schedule-grid td {
    min-width: 220px;
    padding: 0;
}

table.schedule-grid td.schedule-grid-empty {
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: 8px;
    min-height: 3rem;
}

table.schedule-grid .match-row {
    margin-bottom: 0.5rem;
}

table.schedule-grid .match-row:last-child {
    margin-bottom: 0;
}

.match-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.match-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.match-teams {
    font-weight: 600;
    margin-right: auto;
}

.status-badge {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
}

.status-scheduled {
    background: rgba(148, 163, 184, 0.16);
    color: var(--color-text-muted);
}

.status-in_progress {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.status-completed {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.live-panel {
    border: 2px solid var(--color-accent);
}

.live-empty {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.live-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.8rem;
}

.live-card {
    position: relative;
    padding: 0.8rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
}

.live-card.live-in_progress {
    border-color: var(--color-accent);
    background: rgba(251, 146, 60, 0.12);
}

.court-badge {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    margin-bottom: 0.4rem;
}

.live-stage {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.live-teams {
    font-weight: 700;
    margin: 0.2rem 0;
}

.live-teams .vs {
    color: var(--color-text-muted);
    font-weight: 400;
    margin: 0 0.3rem;
}

.live-score {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent);
}

.live-assistant {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.live-status {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-top: 0.2rem;
}

.live-in_progress .live-status {
    color: var(--color-accent);
    font-weight: 700;
}

.practice-form-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.practice-form-side {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.practice-form label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.practice-form textarea {
    resize: vertical;
}

@media (max-width: 640px) {
    .practice-form-grid {
        grid-template-columns: 1fr;
    }
}

.practice-idle-badge {
    font-size: 0.75rem;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.16);
    color: var(--color-text-muted);
}

.print-toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.print-preview-wrap {
    background: #4b5563;
    padding: 2rem 1rem;
    border-radius: 12px;
}

/*
 * 印刷プレビュー: 実際に印刷される見た目を画面上でもそのまま確認できるように、
 * サイト全体のダークテーマの色をここだけ上書きして「白い紙」に見せる。
 * table / .bracket 等の汎用スタイルはCSS変数を参照しているだけなので、
 * 個別クラスを上書きしなくてもこの範囲だけ自動的にライト表示になる。
 */
.print-sheet {
    --color-bg: #f1f5f9;
    --color-border: #cbd5e1;
    --color-text: #0f172a;
    --color-text-muted: #475569;

    background: #fff;
    color: var(--color-text);
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem 3rem;
    border-radius: 4px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.print-sheet section {
    margin-bottom: 2rem;
    page-break-inside: avoid;
}

.print-event-date {
    color: var(--color-text-muted);
    margin-top: -0.5rem;
}

.print-team-list {
    columns: 2;
    column-gap: 2rem;
    margin: 0 0 1rem;
    padding-left: 1.4rem;
}

table.print-schedule-table {
    width: 100%;
}

.print-bracket {
    page-break-inside: avoid;
}

@media print {
    .no-print,
    .site-header {
        display: none !important;
    }

    body {
        background: #fff;
    }

    .print-preview-wrap {
        background: none;
        padding: 0;
        border-radius: 0;
    }

    .print-sheet {
        max-width: none;
        margin: 0;
        padding: 0;
        border-radius: 0;
        box-shadow: none;
    }

    .bracket-match,
    table th,
    table td {
        border-color: #000 !important;
    }

    .bracket {
        overflow: visible;
    }

    .print-team-list {
        columns: 3;
    }
}