:root {
    --page-bg: #f4f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #172033;
    --muted: #667085;
    --line: #e4e9f2;
    --brand: #2563eb;
    --brand-dark: #1d4ed8;
    --danger: #dc2626;
    --warning: #d97706;
    --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

html {
    min-height: 100%;
}

body.admin-body {
    min-height: 100%;
    padding-top: 76px;
    background: var(--page-bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

.admin-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto 40px;
}

.admin-navbar {
    min-height: 64px;
    border: 0;
    background: rgba(15, 23, 42, 0.96);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.18);
}

.admin-navbar .container {
    display: flex;
    align-items: center;
}

.admin-navbar .navbar-brand {
    height: 64px;
    display: flex;
    align-items: center;
    padding: 0 15px;
    font-weight: 700;
    letter-spacing: 0;
}

.admin-navbar .navbar-header {
    float: none;
}

.admin-navbar .navbar-collapse {
    flex: 1;
    padding-right: 0;
}

.admin-navbar .navbar-nav > li > a,
.admin-navbar .navbar-text {
    padding-top: 0;
    padding-bottom: 0;
    line-height: 64px;
}

.admin-navbar .navbar-nav > li > a {
    border-radius: 8px;
    outline: none;
}

.admin-navbar .navbar-nav > li > a:hover,
.admin-navbar .navbar-nav > li > a:focus,
.admin-navbar .navbar-nav > li > a:active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    outline: none;
    box-shadow: none;
}

.admin-navbar .navbar-nav > li > a::-moz-focus-inner,
.admin-navbar .navbar-toggle::-moz-focus-inner {
    border: 0;
}

.admin-navbar .navbar-toggle,
.admin-navbar .navbar-toggle:hover,
.admin-navbar .navbar-toggle:focus {
    outline: none;
    box-shadow: none;
}

.admin-navbar .navbar-text {
    margin-top: 0;
    margin-bottom: 0;
}

.page-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.page-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 20px 22px;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #fff, #fbfdff);
}

.page-card-header h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
}

.page-card-body {
    padding: 22px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.summary-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px;
    background: var(--surface);
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.05);
}

.summary-card p {
    margin: 0 0 12px;
    color: var(--muted);
}

.summary-card h3 {
    margin: 0;
    font-size: 30px;
    font-weight: 800;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.admin-table {
    margin: 0;
    min-width: 1180px;
    border: 0;
}

.admin-table > thead > tr > th {
    border-bottom: 1px solid var(--line);
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.admin-table > tbody > tr > td {
    border-top: 1px solid var(--line);
    vertical-align: middle !important;
}

.actions {
    min-width: 280px;
}

.actions form,
.inline-form {
    display: inline-flex;
    margin: 0 6px 6px 0;
    vertical-align: top;
}

.btn {
    border-radius: 9px;
    font-weight: 600;
}

.btn-primary {
    border-color: var(--brand);
    background: var(--brand);
}

.btn-primary:hover,
.btn-primary:focus {
    border-color: var(--brand-dark);
    background: var(--brand-dark);
}

.form-control {
    border-color: #d7deea;
    border-radius: 9px;
    box-shadow: none;
}

.form-control:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.16), transparent 34%),
        linear-gradient(135deg, #eef4ff 0%, #f8fafc 48%, #eefdf8 100%);
}

.login-panel {
    width: min(420px, 100%);
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.login-panel .panel-heading {
    border-bottom: 1px solid var(--line);
    background: #fff;
    padding: 22px;
}

.login-panel .panel-title {
    font-size: 22px;
    font-weight: 800;
}

.login-panel .panel-body {
    padding: 24px;
}

.label-chip {
    display: inline-block;
    margin: 4px;
    padding: 7px 10px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-weight: 700;
}

.pager-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid var(--line);
}

.pager-bar p {
    margin: 0;
}

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

.pager-actions .disabled {
    pointer-events: none;
    opacity: 0.48;
}

.admin-modal .modal-content {
    border: 0;
    border-radius: 16px;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.22);
    overflow: hidden;
}

.admin-modal .modal-header,
.admin-modal .modal-footer {
    border-color: var(--line);
    background: #fbfdff;
}

.admin-modal .modal-title {
    font-weight: 800;
}

.admin-modal .modal-body {
    padding: 22px;
}

.admin-modal-check {
    margin-top: 6px;
    font-weight: 600;
}

@media (max-width: 767px) {
    body.admin-body {
        padding-top: 64px;
    }

    .admin-shell {
        width: min(100% - 20px, 1180px);
        margin-bottom: 24px;
    }

    .admin-navbar .navbar-brand {
        height: 56px;
    }

    .admin-navbar .container {
        display: block;
    }

    .admin-navbar .navbar-header {
        min-height: 56px;
    }

    .admin-navbar .navbar-toggle {
        margin-top: 11px;
        margin-bottom: 11px;
    }

    .admin-navbar .navbar-collapse {
        padding-right: 15px;
    }

    .admin-navbar .navbar-nav > li > a,
    .admin-navbar .navbar-text {
        padding-top: 10px;
        padding-bottom: 10px;
        line-height: 20px;
    }

    .page-card-header {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px;
    }

    .page-card-header h2 {
        font-size: 20px;
    }

    .page-card-body {
        padding: 14px;
    }

    .pager-bar {
        align-items: stretch;
        flex-direction: column;
    }

    .pager-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .admin-modal .modal-dialog {
        margin: 12px;
    }

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

    .summary-card {
        padding: 14px;
    }

    .summary-card h3 {
        font-size: 24px;
    }

    .actions form,
    .inline-form {
        display: flex;
        width: 100%;
        margin-right: 0;
    }

    .actions .btn,
    .inline-form .btn {
        width: 100%;
    }

.inline-form .form-control {
        min-width: 150px;
    }
}

.compact-input {
    max-width: 120px;
}

.modal-section-form {
    margin: 0;
}

.admin-modal hr {
    border-color: var(--line);
    margin: 18px 0;
}

@media (max-width: 767px) {
    .compact-input {
        max-width: none;
    }
}