@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --mono-bg: #f9f9fb;
    --mono-surface: #ffffff;
    --mono-surface-low: #f3f3f5;
    --mono-surface-mid: #eeeef0;
    --mono-surface-high: #e8e8ea;
    --mono-surface-higher: #e2e2e4;
    --mono-text: #1a1c1d;
    --mono-text-muted: #474747;
    --mono-text-soft: #5e5e63;
    --mono-border: rgba(119, 119, 119, 0.12);
    --mono-primary: #000000;
    --mono-primary-soft: #3b3b3d;
    --mono-primary-ink: #e4e2e4;
    --mono-error: #ba1a1a;
    --mono-error-bg: #ffdad6;
    --mono-success: #1f5134;
    --mono-success-bg: #dcefe2;
    --mono-warning: #6a4b11;
    --mono-warning-bg: #f6e8c7;
    --mono-shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.03), 0 20px 40px rgba(0, 0, 0, 0.04);
    --mono-shadow-card: 0 18px 40px rgba(0, 0, 0, 0.035);
    --mono-radius-sm: 8px;
    --mono-radius-md: 12px;
    --mono-radius-lg: 18px;
    --mono-radius-xl: 28px;
    --mono-header-height: 72px;
    --mono-sidebar-width: 292px;
    --mono-content-max: 1980px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--mono-text);
    background:
        radial-gradient(circle at top left, rgba(217, 218, 220, 0.55), transparent 34%),
        radial-gradient(circle at bottom right, rgba(226, 226, 228, 0.9), transparent 36%),
        var(--mono-bg);
}

a {
    color: inherit;
}

img,
svg {
    display: block;
    max-width: 100%;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(120deg, rgba(255, 255, 255, 0.1), transparent 28%),
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.08), transparent 36%);
    z-index: 0;
}

.container,
body > .main-content {
    position: relative;
    z-index: 1;
}

.sidebar {
    position: fixed;
    top: 20px;
    left: 20px;
    bottom: 20px;
    width: var(--mono-sidebar-width);
    display: flex;
    flex-direction: column;
    color: var(--mono-text);
    background: rgba(243, 243, 245, 0.76);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 32px;
    box-shadow: var(--mono-shadow-soft);
    overflow: hidden;
    z-index: 1000;
}

.sidebar-header {
    padding: 24px 24px 20px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--mono-text);
    text-decoration: none;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--mono-primary), var(--mono-primary-soft));
    color: var(--mono-primary-ink);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.brand-mark svg {
    width: 18px;
    height: 18px;
}

.brand-mark.brand-logo {
    padding: 6px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(26, 28, 29, 0.08);
    box-shadow:
        0 18px 30px rgba(15, 23, 42, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.brand-mark.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.logo-text strong {
    display: block;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.logo-text small {
    display: block;
    margin-top: 3px;
    color: rgba(26, 28, 29, 0.58);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 8px 16px 20px;
}

.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(71, 71, 71, 0.2);
    border-radius: 999px;
}

.nav-section + .nav-section {
    margin-top: 6px;
}

.nav-item {
    width: 100%;
    border: 0;
    background: transparent;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 50px;
    padding: 0 16px;
    border-radius: 18px;
    color: rgba(26, 28, 29, 0.7);
    text-decoration: none;
    transition: transform 0.22s ease, background 0.22s ease, color 0.22s ease, box-shadow 0.22s ease;
}

.nav-item:hover {
    color: var(--mono-text);
    background: rgba(255, 255, 255, 0.58);
    transform: translateX(4px);
}

.nav-item.active {
    color: var(--mono-text);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.05);
}

.nav-toggle {
    justify-content: flex-start;
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-icon svg,
.nav-arrow svg {
    width: 18px;
    height: 18px;
}

.nav-text {
    flex: 1;
    min-width: 0;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.nav-arrow {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(26, 28, 29, 0.38);
    transition: transform 0.22s ease, color 0.22s ease;
}

.nav-toggle.active .nav-arrow {
    color: var(--mono-text);
    transform: rotate(90deg);
}

.sub-nav {
    display: none;
    margin: 6px 0 0;
    padding: 6px 0 6px 16px;
}

.sub-nav.active {
    display: block;
}

.sub-item {
    position: relative;
    display: block;
    margin-top: 4px;
    padding: 10px 16px;
    border-radius: 14px;
    color: rgba(71, 71, 71, 0.88);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

.sub-item:hover {
    color: var(--mono-text);
    background: rgba(255, 255, 255, 0.62);
    transform: translateX(4px);
}

.sub-item.active {
    color: var(--mono-text);
    background: rgba(255, 255, 255, 0.95);
}

.sidebar-footer {
    padding: 16px;
}

.sidebar-user-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.55);
}

.user-avatar,
.mobile-user {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--mono-primary), var(--mono-primary-soft));
    color: var(--mono-primary-ink);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-grade {
    margin-top: 2px;
    color: rgba(71, 71, 71, 0.72);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.logout-btn {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(26, 28, 29, 0.74);
    background: var(--mono-surface-low);
    transition: background 0.22s ease, color 0.22s ease, transform 0.22s ease;
}

.logout-btn:hover {
    background: var(--mono-primary);
    color: var(--mono-primary-ink);
    transform: translateY(-1px);
}

.main-content {
    position: relative;
    margin-left: calc(var(--mono-sidebar-width) + 24px);
    padding: 24px 20px 48px 12px;
    width: calc(100vw - var(--mono-sidebar-width) - 36px);
    max-width: none;
    min-width: 0;
}

.top-nav,
.mobile-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--mono-header-height);
    padding: 18px 24px;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.68);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.58);
    border-radius: 28px;
    box-shadow: var(--mono-shadow-soft);
}

.page-title,
.top-nav .page-title,
h1.page-title {
    margin: 0;
    color: var(--mono-text);
    font-size: clamp(22px, 2.2vw, 34px);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.08;
}

.user-info,
.top-nav .user-info {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 16px;
    color: rgba(71, 71, 71, 0.78);
}

.user-info a,
.top-nav .user-info a {
    color: var(--mono-text);
    font-weight: 600;
    text-decoration: none;
}

.user-info a:hover,
.top-nav .user-info a:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.card,
.panel,
.section-card,
.summary-card,
.quick-card,
.trend-card,
.info-item,
.settings-card,
.metric-card,
.list-card,
.dashboard-card,
.stat-card,
.panel-card,
.matrix-card,
.detail-card,
.filter-section,
.records-panel {
    position: relative;
    margin-bottom: 22px;
    padding: 24px;
    color: var(--mono-text);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.64);
    border-radius: 28px;
    box-shadow: var(--mono-shadow-card);
}

.card::before,
.panel::before,
.summary-card::before,
.quick-card::before,
.trend-card::before,
.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 14%);
}

.card-header,
.panel-header,
.top-actions,
.section-header {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 22px;
    padding-bottom: 0;
    border: 0;
}

.card-header h3,
.panel-title,
.panel-header h3,
.section-title,
.card h3,
.panel h3,
h3.section-title {
    margin: 0;
    color: var(--mono-text);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.stats-grid,
.summary-grid,
.quick-grid,
.info-grid {
    display: grid;
    gap: 18px;
}

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.summary-grid {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.quick-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.info-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.stat-card,
.summary-card,
.quick-card,
.dashboard-card {
    overflow: hidden;
}

.stat-icon,
.dashboard-icon,
.icon-badge,
.summary-icon {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--mono-text);
    background: linear-gradient(145deg, var(--mono-surface-low), var(--mono-surface-high));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.stat-icon svg,
.dashboard-icon svg,
.icon-badge svg,
.summary-icon svg {
    width: 20px;
    height: 20px;
}

.stat-info h4,
.summary-card .label,
.info-item .label,
.dashboard-label,
.card-label,
.section-label,
.meta-label {
    margin: 0 0 8px;
    color: rgba(71, 71, 71, 0.72);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.stat-info .number,
.summary-card .amount,
.dashboard-number,
.metric-value,
.hero-number,
.rank-number {
    color: var(--mono-text);
    font-size: clamp(26px, 3vw, 42px);
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.stat-info .desc,
.summary-card .meta,
.finance-subtitle,
.muted,
.text-muted,
.info-item .value-sub {
    color: rgba(71, 71, 71, 0.74);
}

.table-responsive,
.trend-scroll,
.table-card {
    width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
}

.table-responsive > table,
.table-card > table {
    min-width: max(100%, 1180px);
    table-layout: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 10px;
}

table th {
    padding: 0 16px 8px;
    color: rgba(71, 71, 71, 0.76);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-align: left;
}

table td {
    padding: 16px;
    background: rgba(255, 255, 255, 0.82);
    color: var(--mono-text);
    vertical-align: middle;
    border-top: 1px solid rgba(255, 255, 255, 0.56);
    border-bottom: 1px solid rgba(255, 255, 255, 0.56);
}

table td:first-child {
    border-left: 1px solid rgba(255, 255, 255, 0.56);
    border-top-left-radius: 18px;
    border-bottom-left-radius: 18px;
}

table td:last-child {
    border-right: 1px solid rgba(255, 255, 255, 0.56);
    border-top-right-radius: 18px;
    border-bottom-right-radius: 18px;
}

table tr:hover td {
    background: rgba(243, 243, 245, 0.94);
}

.search-form,
.search-box,
.finance-toolbar,
.filter-row,
.toolbar,
.filter-toolbar,
.period-switch,
.quick-actions,
.top-filters {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.search-form,
.filter-toolbar,
.finance-toolbar,
.toolbar {
    padding: 16px 18px;
    border-radius: 24px;
    background: rgba(243, 243, 245, 0.84);
    border: 1px solid rgba(255, 255, 255, 0.45);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="tel"],
input[type="search"],
select,
textarea,
.form-control,
.search-form input,
.search-form select,
.search-box input,
.search-box select {
    width: 100%;
    min-height: 46px;
    padding: 0 16px;
    color: var(--mono-text);
    background: rgba(255, 255, 255, 0.92);
    border: 0;
    border-bottom: 2px solid rgba(198, 198, 198, 0.66);
    border-radius: 14px;
    outline: 0;
    box-shadow: none;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

textarea {
    min-height: 120px;
    padding: 14px 16px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
.form-control:focus {
    background: #fff;
    border-bottom-color: var(--mono-primary);
}

label,
.form-group label {
    display: block;
    margin-bottom: 8px;
    color: rgba(71, 71, 71, 0.8);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.form-group {
    margin-bottom: 18px;
}

.btn,
button,
input[type="submit"],
input[type="button"],
.quick-date-btn,
.tab-button,
.period-switch a,
.search-form .reset-btn,
.search-form button,
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 18px;
    border: 0;
    border-radius: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover,
button:hover,
.quick-date-btn:hover,
.tab-button:hover,
.period-switch a:hover,
.search-form .reset-btn:hover {
    transform: translateY(-1px);
}

.btn-primary,
button[type="submit"],
.search-form button,
.quick-date-btn.active,
.tab-button.active,
.period-switch a.active,
.btn-login,
.action-primary {
    color: var(--mono-primary-ink);
    background: linear-gradient(145deg, var(--mono-primary), var(--mono-primary-soft));
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.14);
}

.btn-primary:hover,
button[type="submit"]:hover,
.btn-login:hover {
    background: linear-gradient(145deg, var(--mono-primary-soft), var(--mono-primary));
}

.btn-secondary,
.search-form .reset-btn,
.tab-button,
.period-switch a,
.quick-date-btn,
.btn-sm,
.action-secondary {
    color: var(--mono-text);
    background: rgba(232, 232, 234, 0.92);
}

.btn-danger,
.btn-refund,
.badge-rejected {
    color: #fff;
    background: linear-gradient(145deg, #8c2828, var(--mono-error));
}

.btn-success,
.badge-approved {
    color: var(--mono-success);
    background: var(--mono-success-bg);
}

.badge,
.stats-badge,
.status-badge,
.badge-pending,
.badge-warning,
.matrix-status,
.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.badge-pending,
.status-badge.pending,
.matrix-status.pending {
    color: var(--mono-warning);
    background: var(--mono-warning-bg);
}

.badge-rejected,
.status-badge.danger,
.matrix-status.deny {
    color: var(--mono-error);
    background: var(--mono-error-bg);
}

.status-badge.success,
.matrix-status.allow {
    color: var(--mono-success);
    background: var(--mono-success-bg);
}

.alert {
    margin-bottom: 18px;
    padding: 16px 18px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.54);
    box-shadow: var(--mono-shadow-soft);
}

.alert-success {
    color: var(--mono-success);
    background: var(--mono-success-bg);
}

.alert-danger,
.error,
.text-danger {
    color: var(--mono-error);
}

.alert-danger {
    background: var(--mono-error-bg);
}

.mono-toast-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(360px, calc(100vw - 32px));
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
    z-index: 3000;
    pointer-events: none;
}

.mono-toast {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    color: var(--mono-text);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.68);
    border-radius: 18px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    pointer-events: auto;
    opacity: 0;
    transform: translateY(12px) scale(0.98);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.mono-toast.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.mono-toast.hide {
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
}

.mono-toast::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    border-radius: 18px 0 0 18px;
    background: rgba(15, 23, 42, 0.16);
}

.mono-toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}

.mono-toast-icon svg {
    width: 18px;
    height: 18px;
}

.mono-toast-body {
    min-width: 0;
    flex: 1;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.5;
    word-break: break-word;
}

.mono-toast-success::before {
    background: var(--mono-success);
}

.mono-toast-success .mono-toast-icon {
    color: var(--mono-success);
}

.mono-toast-error::before {
    background: var(--mono-error);
}

.mono-toast-error .mono-toast-icon {
    color: var(--mono-error);
}

.mono-toast-info::before {
    background: #2563eb;
}

.mono-toast-info .mono-toast-icon {
    color: #2563eb;
}

.mono-toast-warning::before {
    background: var(--mono-warning);
}

.mono-toast-warning .mono-toast-icon {
    color: var(--mono-warning);
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-top: 16px;
}

.pagination a,
.pagination span {
    min-width: 40px;
    min-height: 40px;
    padding: 0 12px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--mono-text);
    background: rgba(255, 255, 255, 0.86);
}

.pagination .active,
.pagination a:hover {
    color: var(--mono-primary-ink);
    background: var(--mono-primary);
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(26, 28, 29, 0.22);
    backdrop-filter: blur(12px);
    z-index: 1100;
}

.modal.show {
    display: flex;
}

.modal-content {
    width: min(720px, 100%);
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.64);
    border-radius: 28px;
    box-shadow: var(--mono-shadow-soft);
}

.modal-header,
.modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 24px;
}

.modal-body {
    padding: 0 24px 24px;
}

.field-error {
    margin-top: 8px;
    color: var(--mono-error);
    font-size: 12px;
}

.mobile-top-bar,
.mobile-menu-overlay,
.mobile-only {
    display: none;
}

.desktop-only {
    display: block;
}

.mono-inline-icon,
.emoji-icon {
    width: 1.1em;
    height: 1.1em;
    margin-right: 0.45em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: -0.16em;
}

.mono-inline-icon svg,
.emoji-icon svg {
    width: 1em;
    height: 1em;
}

.has-leading-icon {
    display: inline-flex;
    align-items: center;
}

.refund-modal-header,
.filter-title,
.stats-title,
.member-title {
    color: var(--mono-text);
    font-weight: 600;
}

.quick-card:hover,
.summary-card:hover,
.dashboard-card:hover,
.stat-card:hover {
    transform: translateY(-2px);
}

.text-success {
    color: var(--mono-success);
}

.text-warning {
    color: var(--mono-warning);
}

@media (max-width: 1180px) {
    .sidebar {
        width: 264px;
    }

    .main-content {
        margin-left: 280px;
        padding: 22px 18px 40px 10px;
        width: calc(100vw - 292px);
        max-width: none;
    }
}

@media (max-width: 768px) {
    body {
        padding-bottom: calc(24px + env(safe-area-inset-bottom));
    }

    .sidebar {
        top: 12px;
        left: 12px;
        right: 12px;
        bottom: auto;
        width: auto;
        max-height: calc(100vh - 24px);
        transform: translateX(calc(-100% - 24px));
        transition: transform 0.25s ease;
        z-index: 1200;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .mobile-menu-overlay.active {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(26, 28, 29, 0.18);
        backdrop-filter: blur(6px);
        z-index: 1150;
    }

    .mobile-top-bar {
        position: sticky;
        top: 12px;
        z-index: 900;
        display: flex;
        margin: 12px 12px 18px;
        min-height: 60px;
        padding: 12px 14px;
    }

    .mono-toast-container {
        top: 50%;
        left: 50%;
        right: auto;
        width: min(320px, calc(100vw - 24px));
    }

    .mobile-title {
        flex: 1;
        margin: 0 12px;
        font-size: 15px;
        font-weight: 700;
        letter-spacing: -0.02em;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .mobile-menu-toggle {
        width: 40px;
        height: 40px;
        border: 0;
        padding: 0;
        border-radius: 14px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: rgba(243, 243, 245, 0.88);
        color: var(--mono-text);
    }

    .mobile-menu-toggle span {
        display: block;
        width: 16px;
        height: 2px;
        background: currentColor;
        border-radius: 999px;
        position: absolute;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .mobile-menu-toggle span:nth-child(1) { transform: translateY(-5px); }
    .mobile-menu-toggle span:nth-child(2) { transform: translateY(0); }
    .mobile-menu-toggle span:nth-child(3) { transform: translateY(5px); }

    .main-content {
        width: 100%;
        margin-left: 0;
        padding: 0 12px 32px;
        max-width: none;
    }

    .top-nav {
        display: none;
    }

    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: block;
    }

    .card,
    .panel,
    .summary-card,
    .quick-card,
    .stat-card,
    .dashboard-card,
    .trend-card,
    .info-item {
        padding: 18px;
        border-radius: 24px;
    }

    .stats-grid,
    .summary-grid,
    .quick-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }

    table {
        min-width: 640px;
    }

    table td,
    table th {
        padding-left: 12px;
        padding-right: 12px;
    }

    .search-form,
    .finance-toolbar,
    .toolbar,
    .filter-toolbar,
    .search-box,
    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }
}