/**
 * @file main.css
 * @description 乔布斯风格设计系统：极简、克制、统一。
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-page: #f5f5f7;
    --bg-card: #ffffff;
    --bg-muted: #fafafc;
    --line: #e6e6eb;
    --line-strong: #d2d2d7;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #8e8e93;
    --brand: #0071e3;
    --brand-hover: #0062c3;
    --danger: #ff3b30;
    --success: #34c759;
    --warning: #ff9f0a;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 24px rgba(15, 15, 15, 0.06);
    --shadow-hover: 0 14px 30px rgba(15, 15, 15, 0.09);
    --transition: all 0.22s ease;
}

* {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
}

.main-content {
    max-width: 1240px;
    margin: 0 auto;
    padding: 28px 24px 40px;
    transition: margin-left 0.22s ease, max-width 0.22s ease;
}

.main-content.with-sidebar {
    max-width: calc(100% - 240px);
    margin-left: 240px;
    margin-right: 0;
}

.main-content.without-sidebar {
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding-left: 58px;
}

.page-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.app-logo {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    white-space: nowrap;
}

.app-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 240px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--line);
    z-index: 1100;
    padding: 18px 14px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transform: translateX(0);
    transition: transform 0.22s ease;
}

.app-sidebar.collapsed {
    transform: translateX(calc(-100% - 12px));
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-radius: 10px;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: var(--bg-muted);
    border-color: var(--line);
}

.nav-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-group-title {
    margin-bottom: 2px;
}

.nav-group.active > .nav-group-title {
    color: var(--text-primary);
}

.nav-sub-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-left: 12px;
    border-left: 1px solid var(--line);
    margin-left: 12px;
}

.nav-sub-links a {
    font-size: 12px;
    font-weight: 500;
    padding: 7px 10px;
    border-radius: 8px;
}

.sidebar-user {
    margin-top: auto;
    border-top: 1px solid var(--line);
    padding-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
}

.user-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 0.08em;
}

.tip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--bg-muted);
    color: var(--text-tertiary);
    font-size: 10px;
    font-weight: 700;
    cursor: help;
    border: 1px solid var(--line-strong);
    transition: var(--transition);
    user-select: none;
    line-height: 1;
}

.tip-icon:hover {
    background-color: var(--line);
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

.app-menu-toggle {
    position: fixed;
    left: 12px;
    top: 12px;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    background: rgba(255, 255, 255, 0.95);
    cursor: pointer;
    z-index: 1200;
    box-shadow: 0 8px 20px rgba(15, 15, 15, 0.12);
    transition: var(--transition);
}

.app-menu-toggle::before {
    content: '☰';
    font-size: 14px;
    color: var(--text-primary);
}

.app-menu-toggle.active {
    left: 222px;
}

.app-menu-toggle.active::before {
    content: '<';
    font-size: 14px;
    color: var(--text-primary);
    opacity: 0.3;
    line-height: 0;
}

.app-sidebar-backdrop {
    position: fixed;
    inset: 0;
    display: none;
    background: rgba(9, 10, 16, 0.28);
    opacity: 0;
    pointer-events: none;
    z-index: 1090;
    transition: opacity 0.2s ease;
}

.app-sidebar-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

.apple-card,
.panel {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 20px;
    transition: var(--transition);
}

.apple-card:hover,
.panel:hover {
    box-shadow: var(--shadow-hover);
}

.apple-card.no-padding {
    padding: 0;
}

.panel-header {
    margin-bottom: 14px;
}

.hero-title {
    margin: 0;
    font-size: 22px;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    margin: 6px 0 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.section-title {
    margin: 0 0 10px;
    font-size: 16px;
    font-weight: 600;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.kpi-grid.six {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.kpi-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.kpi-item {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--bg-muted);
    padding: 12px;
}

.kpi-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.kpi-value {
    margin-top: 6px;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.kpi-value.brand {
    color: var(--brand);
}

.kpi-trend {
    margin-top: 4px;
    font-size: 11px;
    font-weight: 600;
}

.kpi-trend.up {
    color: var(--success);
}

.kpi-trend.down {
    color: var(--danger);
}

.layout-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.layout-2col.ratio {
    grid-template-columns: 1.2fr 0.8fr;
}

.layout-2col.reverse {
    grid-template-columns: 0.85fr 1.15fr;
}

.form-grid {
    display: grid;
    gap: 10px;
}

.form-grid.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-grid.cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.form-grid.cols-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
}

input[type='text'],
input[type='email'],
input[type='password'],
input[type='number'],
input[type='date'],
textarea,
select {
    width: 100%;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    padding: 11px 12px;
    font-size: 14px;
    color: var(--text-primary);
    background: #fff;
    outline: none;
    transition: var(--transition);
}

textarea {
    resize: vertical;
    min-height: 90px;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.12);
}

.btn {
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--text-primary);
    color: #fff;
}

.btn-primary:hover {
    background: #000;
}

.btn-secondary {
    background: #fff;
    color: var(--text-primary);
    border-color: var(--line-strong);
}

.btn-secondary:hover {
    background: var(--bg-muted);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--line);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

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

.alert-error {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 59, 48, 0.25);
    background: rgba(255, 59, 48, 0.06);
    color: #9d1c14;
    font-size: 13px;
}

.hint-box {
    margin-top: 14px;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--bg-muted);
    color: var(--text-secondary);
    font-size: 12px;
}

.apple-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.apple-table th,
.apple-table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
}

.apple-table th {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    background: var(--bg-muted);
}

.apple-table tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: var(--radius-pill);
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    background: #f0f0f4;
    color: var(--text-primary);
}

.badge-primary {
    background: rgba(0, 113, 227, 0.12);
    color: var(--brand);
}

.badge-success {
    background: rgba(52, 199, 89, 0.12);
    color: #248a3d;
}

.badge-warning {
    background: rgba(255, 159, 10, 0.12);
    color: #b36b00;
}

.action-container {
    display: flex;
    gap: 8px;
}

.action-btn {
    border: 1px solid var(--line-strong);
    background: #fff;
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 12px;
    color: var(--text-primary);
    cursor: pointer;
}

.action-btn:hover {
    background: var(--bg-muted);
}

.result-box {
    margin: 0;
    max-height: 380px;
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--bg-muted);
    padding: 12px;
    font-size: 12px;
    line-height: 1.65;
    white-space: pre-wrap;
    color: var(--text-primary);
}

.list-plain {
    margin: 0;
    padding-left: 18px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.8;
}

.list-stack {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.list-card {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 12px;
    background: #fff;
}

.list-title {
    font-size: 13px;
    font-weight: 600;
}

.list-desc {
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 12px;
}

.trend-row {
    margin-bottom: 10px;
}

.trend-top {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 4px;
}

.trend-track {
    height: 8px;
    border-radius: 999px;
    overflow: hidden;
    background: #ececf1;
}

.trend-bar {
    height: 100%;
    background: #1d1d1f;
}

.login-shell {
    min-height: calc(100vh - 130px);
    display: grid;
    align-items: center;
}

.login-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 20px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.feature-item {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px;
    background: var(--bg-muted);
}

.feature-title {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 5px;
}

.feature-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

@media (max-width: 1080px) {
    .kpi-grid,
    .kpi-grid.six,
    .kpi-grid.three,
    .form-grid.cols-4,
    .form-grid.cols-5,
    .layout-2col,
    .layout-2col.ratio,
    .layout-2col.reverse,
    .login-grid {
        grid-template-columns: 1fr 1fr;
    }

    .form-grid.cols-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 760px) {
    .app-sidebar {
        width: 220px;
    }

    .app-menu-toggle.active {
        left: 228px;
    }

    .app-sidebar-backdrop {
        display: block;
    }

    .main-content,
    .main-content.with-sidebar,
    .main-content.without-sidebar {
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
        padding: 20px 14px 28px;
    }

    .kpi-grid,
    .kpi-grid.six,
    .kpi-grid.three,
    .form-grid.cols-2,
    .form-grid.cols-3,
    .form-grid.cols-4,
    .form-grid.cols-5,
    .layout-2col,
    .layout-2col.ratio,
    .layout-2col.reverse,
    .login-grid {
        grid-template-columns: 1fr;
    }
}