/* ──────────────────────────────────────────────────
   GitHub-style Design System · Mobile-first
   ────────────────────────────────────────────────── */

:root {
    --color-header-bg: #24292f;
    --color-header-text: #ffffffb3;
    --color-header-text-hover: #fff;
    --color-page-bg: #fff;
    --color-canvas-subtle: #f6f8fa;
    --color-border-default: #d0d7de;
    --color-border-muted: #d8dee4;
    --color-text-primary: #1F2328;
    --color-text-secondary: #656d76;
    --color-text-tertiary: #8b949e;
    --color-link: #0969da;
    --color-btn-primary-bg: #1f883d;
    --color-btn-primary-hover: #1a7c37;
    --color-btn-danger-text: #cf222e;
    --color-btn-outline-text: #24292f;
    --color-btn-outline-border: #d0d7de;
    --color-btn-outline-hover-bg: #f3f4f6;
    --color-accent-fg: #0969da;
    --color-attention-fg: #9a6700;
    --color-attention-subtle: #fff8c5;
    --color-danger-fg: #cf222e;
    --color-danger-subtle: #ffebe9;
    --radius: 6px;
    --radius-lg: 10px;

    /* 中文字体优先，保证汉字渲染质量 */
    --font-ui: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "SF Mono", "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;
}

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

/* ── 基础 ───────────────────────────────────────── */

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    background: var(--color-page-bg);
    color: var(--color-text-primary);
    font-family: var(--font-ui);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ── 顶栏 ───────────────────────────────────────── */

.site-header {
    background: var(--color-header-bg);
    height: 52px;
    display: flex;
    align-items: center;
}

.site-header-inner {
    max-width: 960px;
    width: 100%;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-logo {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}
.header-logo:hover { opacity: .85; color: #fff; }

/* 右侧导航容器 */
.header-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}

/* 导航里的用户名字 */
.header-user {
    color: var(--color-header-text);
    font-size: 14px;
    padding: 5px 8px;
    white-space: nowrap;
}

/* 导航链接和按钮 */
.header-nav a,
.header-nav button {
    display: inline-flex;
    align-items: center;
    color: var(--color-header-text);
    font-size: 14px;
    font-weight: 400;
    padding: 5px 8px;
    border-radius: var(--radius);
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    font-family: var(--font-ui);
    transition: background .12s;
}
.header-nav a:hover,
.header-nav button:hover { color: #fff; background: rgba(255,255,255,.08); }

/* 行内表单 */
.header-form { display: inline; }

/* 汉堡按钮（默认隐藏） */
.header-menu-btn {
    display: none;
    background: none;
    border: 1px solid rgba(255,255,255,.25);
    border-radius: var(--radius);
    color: #fff;
    padding: 4px 10px;
    font-size: 18px;
    cursor: pointer;
    margin-left: auto;
}

/* ── 主内容区 ───────────────────────────────────── */

.main-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px 16px;
}

/* ── 标题 ───────────────────────────────────────── */

h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 16px 0;
    line-height: 1.4;
}

h5 { font-size: 14px; font-weight: 600; margin: 0; }

/* ── 卡片 ───────────────────────────────────────── */

.card {
    background: var(--color-page-bg);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.card-header {
    background: var(--color-canvas-subtle);
    border-bottom: 1px solid var(--color-border-default);
    padding: 10px 16px;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius) var(--radius) 0 0;
    display: flex;
    align-items: center;
}

.card-body { padding: 16px; }

/* ── 表单 ───────────────────────────────────────── */

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text-primary);
}

.form-control,
.form-select {
    display: block;
    width: 100%;
    padding: 6px 12px;
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-text-primary);
    background: var(--color-page-bg);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius);
    font-family: var(--font-ui);
    transition: border-color .15s, box-shadow .15s;
    -webkit-appearance: none;
    appearance: none;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23656d76' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-accent-fg);
    box-shadow: 0 0 0 3px rgba(9,105,218,.15);
    outline: none;
}

.form-control::placeholder { color: var(--color-text-tertiary); }

/* ── 按钮 ───────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 16px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--radius);
    border: 1px solid var(--color-btn-outline-border);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    font-family: var(--font-ui);
    background: var(--color-page-bg);
    color: var(--color-btn-outline-text);
    transition: background .12s, border-color .12s;
}

.btn:hover { background: var(--color-btn-outline-hover-bg); }

.btn-primary {
    background: var(--color-btn-primary-bg);
    border-color: var(--color-btn-primary-bg);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-btn-primary-hover);
    border-color: var(--color-btn-primary-hover);
}
.btn-primary:disabled {
    background: #94d3a2;
    border-color: #94d3a2;
    cursor: not-allowed;
}

.btn-success {
    background: var(--color-btn-primary-bg);
    border-color: var(--color-btn-primary-bg);
    color: #fff;
}
.btn-success:hover { background: var(--color-btn-primary-hover); }

.btn-outline-primary { color: var(--color-accent-fg); }
.btn-outline-warning { color: #9a6700; }
.btn-outline-danger  { color: var(--color-btn-danger-text); }
.btn-outline-danger:hover { background: var(--color-danger-subtle); border-color: var(--color-btn-danger-text); }

.btn-sm { padding: 3px 12px; font-size: 13px; }
.w-100 { width: 100%; }

/* ── 表格 ───────────────────────────────────────── */

.table {
    width: 100%;
    margin: 0;
    border-collapse: collapse;
    font-size: 14px;
}

.table thead th {
    background: var(--color-canvas-subtle);
    color: var(--color-text-secondary);
    font-size: 12px;
    font-weight: 600;
    padding: 8px 14px;
    border-bottom: 2px solid var(--color-border-default);
    text-align: left;
    white-space: nowrap;
}

.table tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--color-border-muted);
    vertical-align: middle;
}

.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--color-canvas-subtle); }

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ── 段位徽章 ───────────────────────────────────── */

.rank-badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 2em;
    font-size: 12px;
    font-weight: 600;
    line-height: 20px;
    white-space: nowrap;
}

.rank-IRON    { background: #e3e5e8; color: #4d535b; }
.rank-BRONZE  { background: #f7e3d3; color: #8b5d2e; }
.rank-SILVER  { background: #e4e9ef; color: #4d6279; }
.rank-GOLD    { background: #fdf0c7; color: #8a6914; }
.rank-PLAT    { background: #d0f1e6; color: #1b6d50; }
.rank-EMERALD { background: #ceebd4; color: #1f6d2f; }
.rank-DIAMOND { background: #dce2ff; color: #354dbc; }
.rank-MASTER  { background: #f2d8ed; color: #803770; }

/* ── 消息提示 ───────────────────────────────────── */

.alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border-default);
    font-size: 14px;
    margin-bottom: 14px;
}

.alert-success      { background: #dafbe1; border-color: #8ddb9c; color: #116329; }
.alert-error,
.alert-danger       { background: var(--color-danger-subtle); border-color: #f1aeb5; color: var(--color-danger-fg); }
.alert-warning      { background: var(--color-attention-subtle); border-color: #f0d87c; color: var(--color-attention-fg); }
.alert-info         { background: #ddf4ff; border-color: #80ccff; color: #0969da; }

/* ── Badge ──────────────────────────────────────── */

.badge {
    display: inline-block;
    padding: 0 7px;
    font-size: 12px;
    font-weight: 500;
    line-height: 20px;
    border-radius: 2em;
    white-space: nowrap;
}

.bg-primary { background: var(--color-accent-fg) !important; color: #fff; }

/* ── 空状态 ─────────────────────────────────────── */

.empty-state {
    text-align: center;
    color: var(--color-text-secondary);
    padding: 48px 20px;
}

.empty-state .icon { font-size: 2rem; margin-bottom: 8px; }

/* ── 队伍列 ─────────────────────────────────────── */

.team-column {
    border-radius: var(--radius-lg);
    padding: 18px;
    min-height: 360px;
    border: 1px solid var(--color-border-default);
}

.blue-side { background: #f5f9ff; border-color: #bdd7f5; }
.red-side  { background: #fff8f7; border-color: #f5c4c0; }

.team-title {
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 10px;
}

.team-stats {
    display: flex;
    justify-content: center;
    gap: 18px;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border-default);
    flex-wrap: wrap;
}

.team-stats .stat-value {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-primary);
}

/* ── 玩家卡片 ───────────────────────────────────── */

.player-card {
    background: #fff;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius);
    padding: 10px 14px;
    margin-bottom: 8px;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    transition: box-shadow .15s;
    -webkit-user-select: none;
    user-select: none;
}
.player-card:hover   { box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.player-card:active  { cursor: grabbing; }

.player-card .player-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    min-width: 0;
}

.player-card .player-id {
    font-weight: 600;
    font-size: 14px;
    word-break: break-all;
}

.player-card .player-position {
    font-size: 12px;
    padding: 1px 6px;
    border-radius: var(--radius);
    background: var(--color-canvas-subtle);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-default);
    white-space: nowrap;
}

.player-card .player-score {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    flex-shrink: 0;
}

.player-card .off-role-badge {
    font-size: 11px;
    background: #fff1e0;
    color: #c25900;
    padding: 0 6px;
    border-radius: 2em;
    font-weight: 600;
    line-height: 18px;
    border: 1px solid #f7d8b5;
    white-space: nowrap;
}

/* ── 拖拽（SortableJS）───────────────────────────── */

.sortable-ghost {
    opacity: .3;
    background: #f6f8fa;
    border: 2px dashed #0969da;
}
.sortable-drag {
    opacity: .9;
    box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.sortable-swap {
    background: #dafbe1 !important;
    border-color: #4ac26b !important;
}

/* ── 弱势方标记 ─────────────────────────────────── */

.weaker-team { position: relative; }
.weaker-team::after {
    content: "弱势方";
    position: absolute;
    top: -10px;
    right: 14px;
    background: #ddf4ff;
    color: #0969da;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 2em;
    border: 1px solid #80ccff;
}

/* ── 分队结果页顶栏 ────────────────────────────── */

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 12px;
}

.result-header > .d-flex.gap-2 {
    flex-wrap: wrap;
    flex-shrink: 0;
}

/* ── 控制面板比赛管理栏 ─────────────────────── */

.match-mgmt {
    background: #fff;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}

.match-active-bar {
    background: #dafbe1;
    border: 1px solid #8ddb9c;
    border-radius: var(--radius);
    padding: 10px 14px;
    margin: 12px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 14px;
}

.match-active-bar span {
    font-size: 13px;
    color: #57606a;
    margin-left: 10px;
}

.match-create-form {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.match-create-form input,
.match-create-form select {
    padding: 5px 10px;
    font-size: 13px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    font-family: var(--font-ui);
    background: #fff;
}

.match-create-form input[type="text"] {
    flex: 1 1 160px;
    min-width: 140px;
}

.match-create-form select {
    width: 80px;
}

.match-create-form .date-input { width: 130px; }
.match-create-form .time-input { width: 105px; }

.match-create-form .btn-create {
    background: #1f883d;
    color: #fff;
    border: none;
    padding: 5px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}
.match-create-form .btn-create:hover { background: #1a7c37; }

/* 控制面板双栏布局 */
.dash-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 16px;
    align-items: start;
}

/* ── 通用 ────────────────────────────────────── */

hr    { border: none; border-top: 1px solid var(--color-border-default); margin: 14px 0; }
a     { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
.text-muted  { color: var(--color-text-secondary) !important; }
.text-warning { color: var(--color-attention-fg) !important; }
.fw-bold     { font-weight: 600; }
.fs-6        { font-size: 14px !important; }
.mb-3        { margin-bottom: 12px; }
.mb-4        { margin-bottom: 16px; }
.mt-2        { margin-top: 8px; }
.p-0         { padding: 0; }
.p-4         { padding: 24px; }
.d-flex      { display: flex; }
.gap-2       { gap: 8px; }
.flex-shrink-0 { flex-shrink: 0; }
.d-inline    { display: inline; }
.ms-auto     { margin-left: auto; }
.text-center { text-align: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center      { align-items: center; }
.align-items-end         { align-items: flex-end; }

/* ══════════════════════════════════════════════════
   响应式 · 手机端适配
   ══════════════════════════════════════════════════ */

/* ── 平板及以下 (≤991px) ────────────────────────── */

@media (max-width: 991px) {
    .main-container { padding: 16px 12px; }
    .team-column { min-height: auto; }
    .player-card { padding: 10px 12px; }
    .team-stats { gap: 12px; font-size: 12px; }

    /* 控制面板变单栏 */
    .dash-grid { grid-template-columns: 1fr; }
    .match-active-bar { flex-direction: column; align-items: flex-start; }
    .match-create-form input[type="text"] { flex: 1 1 100%; }
}

/* ── 手机 (≤767px) ──────────────────────────────── */

@media (max-width: 767px) {
    /* 顶栏 */
    .site-header { height: auto; min-height: 48px; }
    .site-header-inner { flex-wrap: wrap; padding: 0 12px; }
    .header-logo { font-size: 14px; }
    .header-menu-btn { display: inline-block; }
    .header-nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 4px 0 8px;
    }
    .header-nav.open { display: flex; }
    .header-nav a,
    .header-nav button {
        padding: 8px 12px;
        font-size: 14px;
        border-radius: var(--radius);
    }

    /* 标题 */
    h3 { font-size: 18px; margin-bottom: 12px; }

    /* 卡片 */
    .card-header { padding: 10px 12px; font-size: 13px; }
    .card-body   { padding: 12px; }

    /* 表单控件放大（方便手指点击） */
    .form-control,
    .form-select {
        font-size: 16px;  /* 16px 防止 iOS 缩放 */
        padding: 8px 12px;
    }

    .form-label { font-size: 13px; }

    /* 按钮放大 */
    .btn {
        font-size: 14px;
        padding: 8px 16px;
        min-height: 38px;  /* 满足触摸目标 */
    }

    .btn-sm { padding: 4px 12px; font-size: 13px; min-height: 30px; }

    /* 表格小屏优化 */
    .table thead th { padding: 6px 10px; font-size: 11px; }
    .table tbody td { padding: 8px 10px; font-size: 13px; }

    /* 表格横向滚动提示 */
    .table-responsive {
        border: 1px solid var(--color-border-default);
        border-radius: var(--radius);
    }

    /* 队伍列 */
    .team-column {
        padding: 12px;
        border-radius: var(--radius);
    }
    .team-title { font-size: 15px; }
    .team-stats {
        flex-direction: column;
        align-items: center;
        gap: 4px;
        font-size: 12px;
        padding-bottom: 10px;
        margin-bottom: 10px;
    }

    /* 玩家卡片折叠 */
    .player-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        padding: 10px 12px;
    }
    .player-card .player-info { gap: 6px; }
    .player-card .player-score { align-self: flex-end; }

    /* 空状态 */
    .empty-state { padding: 32px 16px; }

    /* 结果页操作按钮 */
    .result-header {
        flex-direction: column;
        gap: 10px;
    }

    /* 分队操作表单 */
    form.row.g-3.align-items-end {
        flex-direction: column;
        align-items: stretch !important;
    }
    form.row.g-3.align-items-end .col-auto {
        width: 100%;
    }
    form.row.g-3.align-items-end .form-select,
    form.row.g-3.align-items-end .btn {
        width: 100%;
    }

    /* 登录页 */
    [style*="max-width:340px"] {
        margin-top: 24px !important;
    }

    /* 弱势方标签不超出 */
    .weaker-team::after {
        right: 8px;
        top: -8px;
        font-size: 10px;
        padding: 1px 8px;
    }

    /* 比赛管理栏手机端 */
    .match-mgmt { padding: 10px; }
    .match-create-form { flex-direction: column; }
    .match-create-form input,
    .match-create-form select,
    .match-create-form .btn-create { width: 100%; }
    .match-create-form .date-input,
    .match-create-form .time-input { width: 100%; }
}

/* ── 小手机 (≤400px) ────────────────────────────── */

@media (max-width: 400px) {
    .main-container { padding: 12px 8px; }

    h3 { font-size: 16px; }

    .card-header { padding: 8px 10px; }
    .card-body   { padding: 10px; }

    .btn { font-size: 13px; padding: 7px 14px; }

    /* 表格更紧凑 */
    .table thead th { padding: 5px 8px; font-size: 10px; }
    .table tbody td { padding: 7px 8px; font-size: 12px; }

    /* 玩家卡片更紧凑 */
    .player-card { padding: 8px 10px; }

    /* 段位徽章缩小 */
    .rank-badge { font-size: 11px; padding: 0 6px; line-height: 18px; }
}