/* mo 客户侧「计费数据分析」页面（js/pages/mo_bill.js），运行在 Layout 的独立单页框架中（固定浅色）。
   主题色 #0d9488 用于图表、强调条与大号数值；承载正文文字的按钮/标签使用同色系更深的
   #0f766e，保证白字 / 浅底对比度 ≥ 4.5:1。 */
.mo-bill {
    --mo-bill-primary: #0d9488;
    --mo-bill-primary-strong: #0f766e;
    --mo-bill-primary-stronger: #115e59;
    --mo-bill-primary-soft: rgba(13, 148, 136, 0.1);
    --mo-bill-on-primary: #ffffff;
    --mo-bill-accent-text: #0f766e;
    --mo-bill-surface: var(--app-surface, #ffffff);
    --mo-bill-surface-muted: var(--app-surface-muted, #f8fafc);
    --mo-bill-border: var(--app-border, #e2e8f0);
    --mo-bill-border-strong: var(--app-border-strong, #cbd5e1);
    --mo-bill-text: var(--app-text, #0f172a);
    --mo-bill-muted: #64748b;
    --mo-bill-error: #b91c1c;
    --mo-bill-chart-text: #64748b;
    --mo-bill-chart-grid: #e2e8f0;
    --mo-bill-radius: 12px;
    --mo-bill-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 4px 16px -6px rgba(15, 23, 42, 0.08);

    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 24px 32px;
    box-sizing: border-box;
    color: var(--mo-bill-text);
}

/* 独立单页框架（Layout.renderStandalone）：内容区自身负责留白 */
body.logged-in .standalone-main {
    padding: 0 !important;
}

/* ---------- 头部 ---------- */
.mo-bill-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 4px 0 4px 16px;
    border-left: 4px solid var(--mo-bill-primary);
}

.mo-bill-title {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: 0.01em;
    color: var(--mo-bill-text);
}

.mo-bill-subtitle {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin: 6px 0 0;
    font-size: 13px;
    color: var(--mo-bill-muted);
}

.mo-bill-subtitle strong {
    font-weight: 600;
    color: var(--mo-bill-text);
}

.mo-bill-header-actions {
    display: flex;
    flex-shrink: 0;
    gap: 10px;
}

.mo-bill-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--mo-bill-border-strong);
}

/* ---------- 卡片与按钮 ---------- */
.mo-bill-card {
    background: var(--mo-bill-surface);
    border: 1px solid var(--mo-bill-border);
    border-radius: var(--mo-bill-radius);
    box-shadow: var(--mo-bill-shadow);
}

.mo-bill-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 36px;
    padding: 0 16px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.mo-bill-btn:focus-visible {
    outline: 2px solid var(--mo-bill-primary);
    outline-offset: 2px;
}

.mo-bill-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.mo-bill-btn-primary {
    background: var(--mo-bill-primary-strong);
    color: var(--mo-bill-on-primary);
}

.mo-bill-btn-primary:not(:disabled):hover {
    background: var(--mo-bill-primary-stronger);
}

.mo-bill-btn-ghost {
    background: var(--mo-bill-surface);
    border-color: var(--mo-bill-border-strong);
    color: var(--mo-bill-accent-text);
}

.mo-bill-btn-ghost:not(:disabled):hover {
    border-color: var(--mo-bill-primary);
    background: var(--mo-bill-primary-soft);
}

.mo-bill-btn.is-spinning i {
    animation: mo-bill-spin 0.9s linear infinite;
}

/* ---------- 筛选卡片 ---------- */
.mo-bill-filter {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px;
    padding: 16px 20px;
}

.mo-bill-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mo-bill-field label {
    font-size: 13px;
    color: var(--mo-bill-muted);
}

.mo-bill-input {
    height: 36px;
    min-width: 160px;
    padding: 0 10px;
    border: 1px solid var(--mo-bill-border-strong);
    border-radius: 8px;
    background: var(--mo-bill-surface);
    color: var(--mo-bill-text);
    font-size: 14px;
    color-scheme: light;
    box-sizing: border-box;
}

.mo-bill-input:focus {
    outline: none;
    border-color: var(--mo-bill-primary);
    box-shadow: 0 0 0 3px var(--mo-bill-primary-soft);
}

.mo-bill-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.mo-bill-message {
    flex-basis: 100%;
    margin: -6px 0 0;
    font-size: 13px;
    color: var(--mo-bill-error);
}

.mo-bill-message:empty {
    display: none;
}

/* ---------- 汇总指标 ---------- */
.mo-bill-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.mo-bill-stat {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px 20px 18px 24px;
    overflow: hidden;
}

.mo-bill-stat::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--mo-bill-primary);
}

.mo-bill-stat-label {
    font-size: 13px;
    color: var(--mo-bill-muted);
}

.mo-bill-stat-value {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.15;
    font-variant-numeric: tabular-nums;
    color: var(--mo-bill-primary);
}

/* ---------- 图表与明细 ---------- */
.mo-bill-panel {
    padding: 16px 20px 20px;
}

.mo-bill-panel-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.mo-bill-panel-head h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--mo-bill-text);
}

.mo-bill-panel-meta {
    font-size: 12px;
    color: var(--mo-bill-muted);
}

.mo-bill-chart {
    height: 360px;
}

.mo-bill-table-wrap {
    max-height: 480px;
    overflow: auto;
    border: 1px solid var(--mo-bill-border);
    border-radius: 8px;
}

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

.mo-bill-table th,
.mo-bill-table td {
    padding: 10px 16px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--mo-bill-border);
}

.mo-bill-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--mo-bill-surface-muted);
    font-weight: 600;
    font-size: 13px;
    color: var(--mo-bill-muted);
}

.mo-bill-table tbody tr:last-child td {
    border-bottom: none;
}

.mo-bill-table tbody tr:hover td {
    background: var(--mo-bill-primary-soft);
}

.mo-bill-table .is-num {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.mo-bill-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--mo-bill-primary-soft);
    color: var(--mo-bill-accent-text);
    font-size: 12px;
    font-weight: 500;
}

/* 图表与表格共用的非数据状态 */
.mo-bill-table-wrap:has(.mo-bill-state) {
    border: none;
}

.mo-bill-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 180px;
    height: 100%;
    font-size: 14px;
    color: var(--mo-bill-muted);
    text-align: center;
}

.mo-bill-state i {
    font-size: 22px;
    color: var(--mo-bill-primary);
}

.mo-bill-state.is-error,
.mo-bill-state.is-error i {
    color: var(--mo-bill-error);
}

.mo-bill-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--mo-bill-primary-soft);
    border-top-color: var(--mo-bill-primary);
    border-radius: 50%;
    animation: mo-bill-spin 0.8s linear infinite;
}

@keyframes mo-bill-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .mo-bill-spinner,
    .mo-bill-btn.is-spinning i {
        animation: none;
    }
}

/* 全局 body.logged-in 对 input[type=date] / table 使用 !important（蓝色聚焦、灰色悬停），
   这里只在本页范围内改为蓝绿主题。 */
body.logged-in .mo-bill .mo-bill-input {
    height: 36px !important;
    padding: 0 10px !important;
    border-radius: 8px !important;
}

body.logged-in .mo-bill .mo-bill-input:focus {
    border-color: var(--mo-bill-primary) !important;
    box-shadow: 0 0 0 3px var(--mo-bill-primary-soft) !important;
}

body.logged-in .mo-bill .mo-bill-table tbody tr:hover td {
    background: var(--mo-bill-primary-soft) !important;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 640px) {
    .mo-bill {
        padding: 16px 12px 24px;
    }

    .mo-bill-header {
        align-items: flex-start;
        padding-left: 12px;
    }

    .mo-bill-title {
        font-size: 20px;
    }

    .mo-bill-stats {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .mo-bill-stat {
        padding: 14px 14px 14px 18px;
    }

    .mo-bill-stat-value {
        font-size: 24px;
    }

    .mo-bill-header-actions .mo-bill-btn {
        width: 36px;
        padding: 0;
    }

    .mo-bill-header-actions .mo-bill-btn span {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }

    body.logged-in .mo-bill .mo-bill-table th,
    body.logged-in .mo-bill .mo-bill-table td {
        padding: 8px 10px !important;
        font-size: 13px !important;
    }

    .mo-bill-filter {
        padding: 14px 16px;
    }

    .mo-bill-field,
    .mo-bill-input {
        width: 100%;
    }

    .mo-bill-actions {
        width: 100%;
    }

    .mo-bill-actions .mo-bill-btn {
        flex: 1 1 0;
        padding: 0 10px;
    }

    .mo-bill-chart {
        height: 280px;
    }
}

/* ======================================================================
   mo 专用登录页（Login.renderMoLogin，仅 mo.wabbalabba.org 入口）
   未登录时 body 无 logged-in / theme 类，只提供浅色版本。
   ====================================================================== */
.mo-login {
    position: fixed;
    inset: 0;
    z-index: 2;
    display: flex;
    overflow-y: auto;
    padding: 24px 16px;
    box-sizing: border-box;
    background:
        radial-gradient(circle at 18% 12%, rgba(13, 148, 136, 0.16), transparent 42%),
        radial-gradient(circle at 85% 88%, rgba(20, 184, 166, 0.12), transparent 45%),
        radial-gradient(rgba(15, 118, 110, 0.08) 1px, transparent 1px) 0 0 / 22px 22px,
        linear-gradient(160deg, #f0fdfa 0%, #f8fafc 60%, #eef6f5 100%);
    color: #0f172a;
}

.mo-login-card {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: auto;
    padding: 40px 36px 36px;
    box-sizing: border-box;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 24px 48px -16px rgba(15, 118, 110, 0.22);
    overflow: hidden;
    animation: loginFadeIn 0.4s ease-out;
}

.mo-login-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: linear-gradient(90deg, #0d9488, #14b8a6);
}

.mo-login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 28px;
}

.mo-login-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin-bottom: 16px;
    border-radius: 14px;
    background: linear-gradient(145deg, #14b8a6, #0d9488);
    box-shadow: 0 8px 18px -6px rgba(13, 148, 136, 0.55);
    color: #ffffff;
    font-size: 22px;
}

.mo-login-title {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    color: #0f172a;
}

.mo-login-subtitle {
    margin: 8px 0 0;
    font-size: 14px;
    color: #64748b;
}

.mo-login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.mo-login-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mo-login-field label {
    font-size: 14px;
    font-weight: 500;
    color: #334155;
}

.mo-login-control {
    position: relative;
    display: flex;
    align-items: center;
}

.mo-login-control > i {
    position: absolute;
    left: 14px;
    font-size: 14px;
    color: #94a3b8;
    pointer-events: none;
    transition: color 0.15s ease;
}

.mo-login-control input {
    width: 100%;
    height: 44px;
    padding: 0 44px 0 40px;
    box-sizing: border-box;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background: #ffffff;
    color: #0f172a;
    font-size: 15px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.mo-login-control input::placeholder {
    color: #94a3b8;
}

.mo-login-control input:focus {
    border-color: #0d9488;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.mo-login-control:focus-within > i {
    color: #0d9488;
}

.mo-login-toggle {
    position: absolute;
    right: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #64748b;
    cursor: pointer;
}

.mo-login-toggle:hover {
    background: rgba(13, 148, 136, 0.1);
    color: #0f766e;
}

.mo-login-toggle:focus-visible,
.mo-login-submit:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
}

.mo-login-submit {
    height: 44px;
    margin-top: 6px;
    border: none;
    border-radius: 10px;
    background: #0f766e;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.08em;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

.mo-login-submit:hover:not(:disabled) {
    background: #115e59;
}

.mo-login-submit:active:not(:disabled) {
    transform: translateY(1px);
}

.mo-login-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 覆盖默认登录页 #login-message 的配色（#ff4d4f 浅底对比度不足） */
.mo-login #login-message.error {
    display: block;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    color: #b91c1c;
}

@media (prefers-reduced-motion: reduce) {
    .mo-login-card {
        animation: none;
    }
}

@media (max-width: 480px) {
    .mo-login-card {
        padding: 32px 22px 28px;
        border-radius: 14px;
    }
}