*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #f59e0b;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 56px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.nav-brand {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-user {
    color: var(--text-muted);
    font-size: 14px;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    padding: 4px 8px;
    border-radius: 4px;
}

.nav-link:hover {
    background: var(--bg);
    color: var(--primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
}

.auth-card {
    max-width: 420px;
    margin: 60px auto;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.auth-card h2 {
    margin-bottom: 24px;
    font-size: 24px;
    text-align: center;
}

.auth-link {
    margin-top: 16px;
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
}

.auth-link a {
    color: var(--primary);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
}

.form-group label.required::after {
    content: " *";
    color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    background: var(--card-bg);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group textarea {
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.checkbox-group {
    display: flex;
    align-items: flex-end;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-primary:disabled {
    background: #93c5fd;
    cursor: not-allowed;
}

.btn-outline {
    background: var(--card-bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-lg {
    padding: 12px 32px;
    font-size: 16px;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    background: var(--card-bg);
}

.btn-success {
    color: var(--success);
    border-color: var(--success);
}

.btn-danger {
    color: var(--danger);
    border-color: var(--danger);
}

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

.error-msg {
    background: #fef2f2;
    color: var(--danger);
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 16px;
}

.success-msg {
    background: #f0fdf4;
    color: var(--success);
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 16px;
}

.success-msg a {
    color: var(--primary);
    font-weight: 600;
}

.dashboard h1,
.tool-page h1,
.admin-panel h1 {
    font-size: 28px;
    margin-bottom: 4px;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.tool-card {
    display: block;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-decoration: none;
    color: var(--text);
    transition: box-shadow 0.2s, border-color 0.2s;
}

.tool-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.tool-card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.tool-icon {
    width: 48px;
    height: 48px;
    background: #eff6ff;
    color: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.tool-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.tool-card p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.tool-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    background: #dcfce7;
    color: var(--success);
    font-weight: 500;
}

.tool-badge.badge-pending {
    background: #fef3c7;
    color: #92400e;
}

.back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    display: inline-block;
    margin-bottom: 16px;
}

.back-link:hover {
    color: var(--primary);
}

.tool-page {
    max-width: 900px;
    margin: 0 auto;
}

.pi-form {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.form-section {
    border: none;
    margin-bottom: 24px;
}

.form-section legend {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary);
    width: 100%;
    margin-bottom: 16px;
}

.form-actions {
    text-align: center;
    padding-top: 16px;
}

.admin-panel {
    max-width: 1000px;
    margin: 0 auto;
}

.user-table {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    border-collapse: collapse;
    overflow: hidden;
}

.user-table th,
.user-table td {
    padding: 12px 16px;
    text-align: left;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

.user-table th {
    background: #f8fafc;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 13px;
    text-transform: uppercase;
}

.user-table tr:hover {
    background: #f8fafc;
}

.status {
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 500;
}

.status.active {
    background: #dcfce7;
    color: var(--success);
}

.status.inactive {
    background: #fef2f2;
    color: var(--danger);
}

.loading, .error {
    text-align: center;
    color: var(--text-muted);
    padding: 32px !important;
}

.actions {
    display: flex;
    gap: 8px;
}

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

.page-header,
.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.toolbar select {
    min-width: 140px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card-bg);
}

.panel {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

.panel h2 {
    font-size: 18px;
    margin-bottom: 16px;
}

.panel h3 {
    font-size: 15px;
    margin-bottom: 12px;
}

.compact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.split-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.metric-grid > div {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
}

.metric-grid span {
    display: block;
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 6px;
}

.metric-grid strong {
    display: block;
    font-size: 22px;
    line-height: 1.2;
}

.click-row {
    cursor: pointer;
}

.selected-row {
    background: #eff6ff !important;
}

.role-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.role-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #eff6ff;
    color: var(--primary);
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 13px;
}

.role-pill button {
    border: none;
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
}

.status.unpaid {
    background: #fef2f2;
    color: var(--danger);
}

.status.partially_paid {
    background: #fef3c7;
    color: #92400e;
}

.status.paid {
    background: #dcfce7;
    color: var(--success);
}

.ledger-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.ledger-panel {
    min-width: 0;
    overflow: hidden;
}

.ledger-workspace {
    min-width: 0;
}

.ledger-global-toolbar {
    justify-content: flex-end;
}

.ledger-global-toolbar input {
    min-width: 220px;
}

.ledger-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 14px;
}

.ledger-panel-head h2 {
    margin-bottom: 4px;
}

.ledger-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
    flex: 0 0 auto;
}

.ledger-actions select {
    max-width: 120px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card-bg);
    font-size: 13px;
}

.ledger-edit-form {
    margin: 12px 0 16px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #f8fafc;
}

.ledger-form-row {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}

.table-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 8px;
    margin: 18px 0 12px;
}

.compact-filters {
    grid-template-columns: repeat(auto-fit, minmax(95px, 1fr));
}

.table-filters input,
.toolbar input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--card-bg);
    font-size: 13px;
}

.table-scroll {
    overflow-x: auto;
}

.dense-table th,
.dense-table td {
    padding: 10px 12px;
    white-space: nowrap;
}

.ledger-table-scroll {
    max-height: 430px;
    overflow-y: auto;
    overflow-x: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.checks-table-scroll {
    max-height: 360px;
}

.ledger-table {
    table-layout: fixed;
    border: none;
    border-radius: 0;
}

.ledger-table th,
.ledger-table td {
    padding: 9px 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: top;
}

.ledger-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
}

.ledger-table .col-date {
    width: 86px;
}

.ledger-table .col-money {
    width: 82px;
}

.ledger-table .col-pi {
    width: 92px;
}

.ledger-table .col-store {
    width: 62px;
}

.ledger-table .col-deposit {
    width: 72px;
}

.ledger-table .col-action {
    width: 60px;
}

.cell-main,
.cell-sub {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cell-sub {
    margin-top: 2px;
    color: var(--text-muted);
    font-size: 12px;
}

.ledger-form-actions {
    text-align: left;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.check-ledger-panel {
    margin-top: 0;
}

.card-payment-panel {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #f8fafc;
    padding: 20px;
    margin: 20px 0;
}

#payment-element {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}

@media (max-width: 1100px) {
    .ledger-layout {
        grid-template-columns: 1fr;
    }

    .ledger-panel-head {
        flex-direction: column;
    }

    .ledger-actions {
        justify-content: flex-start;
    }
}

@media (max-width: 760px) {
    .page-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .ledger-global-toolbar,
    .ledger-global-toolbar input,
    .ledger-global-toolbar select {
        width: 100%;
    }
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.upload-area:hover,
.upload-area.dragging {
    border-color: var(--primary);
    background: #eff6ff;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.upload-area p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.file-name {
    margin-top: 12px;
    color: var(--success);
    font-weight: 500;
}

.hint {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.8;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 6px 16px;
    font-size: 13px;
    color: var(--text-muted);
    padding: 8px 0;
}

.field-grid span::before {
    content: "✓ ";
    color: var(--success);
}