/*
 * BW UI: small local component layer for BW Traffic Reset admin screens.
 * It avoids remote assets and keeps WHMCS admin integration predictable.
 */
.bwui-shell {
    --bwui-bg: #f8fafc;
    --bwui-card: #ffffff;
    --bwui-line: #dbe4ef;
    --bwui-text: #0f172a;
    --bwui-muted: #64748b;
    --bwui-primary: #0f62fe;
    --bwui-primary-dark: #0043ce;
    --bwui-success-bg: #dcfce7;
    --bwui-success-text: #166534;
    --bwui-danger-bg: #fee2e2;
    --bwui-danger-text: #991b1b;
    --bwui-info-bg: #e0f2fe;
    --bwui-info-text: #075985;
    color: var(--bwui-text);
}

.bwui-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid var(--bwui-line);
    border-radius: 8px;
    background: linear-gradient(135deg, #ffffff 0%, #eef6ff 100%);
    padding: 10px 14px;
    margin: 0 0 10px;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.bwui-hero-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    line-height: 1.4;
}

.bwui-hero-sep {
    color: #cbd5e1;
}

.bwui-hero-desc {
    color: var(--bwui-muted);
    font-size: 13px;
}

.bwui-kicker {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--bwui-primary);
}

.bwui-card {
    border: 1px solid var(--bwui-line);
    border-radius: 8px;
    background: var(--bwui-card);
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
}

.bwui-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eef2f7;
}

.bwui-card-head h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
}

.bwui-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0 0 12px;
    padding: 4px;
    background: #f1f5f9;
    border-radius: 8px;
}

.bwui-tabs a {
    border: 1px solid transparent;
    border-radius: 6px;
    color: #475569;
    padding: 6px 12px;
    font-size: 13px;
    background: transparent;
    text-decoration: none;
    transition: background 120ms ease, color 120ms ease;
}

.bwui-tabs a:hover {
    background: #e2e8f0;
    color: var(--bwui-text);
}

.bwui-tabs a.active {
    background: #fff;
    color: var(--bwui-primary);
    font-weight: 700;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.bwui-alert {
    border-radius: 8px;
    padding: 11px 13px;
    margin: 10px 0;
    font-weight: 600;
}

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

.bwui-alert-error {
    background: var(--bwui-danger-bg);
    color: var(--bwui-danger-text);
}

.bwui-toolbar,
.bwui-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    align-items: start;
}

.bwui-grid-1 {
    grid-template-columns: 1fr !important;
}

.bwui-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
}

.bwui-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
}

.bwui-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
}

@media (max-width: 800px) {
    .bwui-grid-2,
    .bwui-grid-3,
    .bwui-grid-4 {
        grid-template-columns: 1fr !important;
    }
}

.bwui-toolbar {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    align-items: end;
    margin-bottom: 12px;
}

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

.bwui-form-section {
    border: 1px solid var(--bwui-line);
    border-radius: 8px;
    background: #fff;
    padding: 12px 14px 10px;
}

.bwui-form-section + .bwui-form-section {
    margin-top: 0;
}

.bwui-form-section .bwui-form-grid + .bwui-form-grid {
    margin-top: 10px;
}

.bwui-section-title {
    margin-bottom: 10px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #475569;
    text-transform: uppercase;
}

.bwui-toggle-row {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed #e2e8f0;
}

.bwui-toggle-row-flat {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.bwui-field {
    display: grid;
    gap: 4px;
    font-weight: 600;
    color: var(--bwui-text);
    min-width: 0;
}

.bwui-field > span {
    font-size: 12px;
    color: var(--bwui-muted);
    font-weight: 600;
}

.bwui-field-compact {
    gap: 3px;
}

.bwui-input {
    width: 100%;
    min-height: 32px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    padding: 5px 9px;
    font-size: 13px;
    transition: border-color 140ms ease, box-shadow 140ms ease;
}

.bwui-input:focus {
    border-color: var(--bwui-primary);
    box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.12);
    outline: 0;
}

.bwui-button {
    border-radius: 7px !important;
    transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

.bwui-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 7px 16px rgba(15, 23, 42, 0.12);
}

.bwui-actions {
    display: flex;
    align-items: end;
    gap: 8px;
}

.bwui-switch {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    cursor: pointer;
}

.bwui-switch input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.bwui-switch span {
    position: relative;
    width: 38px;
    height: 22px;
    border-radius: 999px;
    background: #cbd5e1;
    transition: background 140ms ease;
}

.bwui-switch span::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.25);
    transition: transform 140ms ease;
}

.bwui-switch input:checked + span {
    background: var(--bwui-primary);
}

.bwui-switch input:checked + span::after {
    transform: translateX(16px);
}

.bwui-switch strong {
    font-weight: 600;
}

.bwui-switch-compact strong {
    font-size: 12px;
}

.bwui-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--bwui-line);
    border-radius: 9px;
    background: #fff;
}

.bwui-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 0 !important;
}

.bwui-table th {
    background: #f8fafc;
    color: #334155;
    font-size: 12px;
    text-transform: uppercase;
}

.bwui-table th,
.bwui-table td {
    border-bottom: 1px solid #e2e8f0;
    padding: 8px 10px;
    vertical-align: middle;
    font-size: 13px;
}

.bwui-table tbody tr:hover td {
    background: #f8fbff;
}

.bwui-badge {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    border-radius: 999px;
    background: #eef2ff;
    color: #3730a3;
    padding: 2px 9px;
    font-size: 12px;
    font-weight: 700;
}

.bwui-badge-success {
    background: var(--bwui-success-bg);
    color: var(--bwui-success-text);
}

.bwui-badge-danger {
    background: var(--bwui-danger-bg);
    color: var(--bwui-danger-text);
}

.bwui-badge-info {
    background: var(--bwui-info-bg);
    color: var(--bwui-info-text);
}

.bwui-badge-muted {
    background: #e2e8f0;
    color: #475569;
}

.bwui-disclosure {
    border: 1px solid var(--bwui-line);
    border-radius: 8px;
    background: #fbfdff;
    padding: 10px 12px;
    margin-bottom: 12px;
}

.bwui-disclosure[open] {
    padding-bottom: 12px;
}

.bwui-disclosure summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 13px;
    color: #334155;
    list-style: none;
    padding: 4px 4px;
    border-radius: 6px;
    user-select: none;
}

.bwui-disclosure summary::-webkit-details-marker {
    display: none;
}

.bwui-disclosure summary::before {
    content: "▸";
    display: inline-block;
    margin-right: 6px;
    color: var(--bwui-muted);
    transition: transform 140ms ease;
}

.bwui-disclosure[open] summary::before {
    transform: rotate(90deg);
}

.bwui-disclosure summary:hover {
    background: #eef6ff;
    color: var(--bwui-primary);
}

.bwui-disclosure[open] summary {
    margin-bottom: 10px;
}

/* Date + open (不限期) two-in-one segmented widget */
.bwui-dateopen-row {
    display: flex;
    align-items: stretch;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    overflow: hidden;
    transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
    min-height: 32px;
}

.bwui-dateopen-row:focus-within {
    border-color: var(--bwui-primary);
    box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.12);
}

.bwui-dateopen-input {
    flex: 1 1 auto;
    min-width: 0;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 5px 9px;
    font-size: 13px;
    color: var(--bwui-text);
    outline: 0;
}

.bwui-dateopen-input:focus {
    border: 0 !important;
    box-shadow: none !important;
    outline: 0;
}

.bwui-dateopen-empty {
    flex: 1 1 auto;
    min-width: 0;
    display: none;
    align-items: center;
    padding: 0 10px;
    font-size: 13px !important;
    font-weight: 700;
    color: var(--bwui-primary-dark) !important;
    user-select: none;
    letter-spacing: 0.02em;
}

.bwui-dateopen-empty::before {
    content: "∞";
    margin-right: 6px;
    font-size: 16px;
    color: var(--bwui-primary);
    opacity: 0.85;
}

.bwui-dateopen-toggle {
    display: inline-flex;
    align-items: center;
    padding: 0 14px;
    border: 0;
    border-left: 1px solid #cbd5e1;
    background: #eef2f7;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    color: #1e293b;
    white-space: nowrap;
    transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.bwui-dateopen-toggle input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.bwui-dateopen-btn-default,
.bwui-dateopen-btn-active {
    color: inherit;
    font-size: inherit;
    font-weight: inherit;
}

.bwui-dateopen-toggle:hover {
    background: #dbeafe;
    color: var(--bwui-primary-dark);
}

.bwui-dateopen.is-open .bwui-dateopen-row {
    border-color: var(--bwui-primary);
    background: #f5f9ff;
}

.bwui-dateopen.is-open .bwui-dateopen-input {
    display: none;
}

.bwui-dateopen.is-open .bwui-dateopen-empty {
    display: flex;
}

.bwui-dateopen.is-open .bwui-dateopen-toggle {
    background: var(--bwui-primary);
    border-left-color: var(--bwui-primary);
    color: #fff;
}

.bwui-dateopen.is-open .bwui-dateopen-toggle:hover {
    background: var(--bwui-primary-dark);
}

.bwui-dateopen-btn-active {
    display: none;
}

.bwui-dateopen.is-open .bwui-dateopen-btn-default {
    display: none;
}

.bwui-dateopen.is-open .bwui-dateopen-btn-active {
    display: inline;
}

/* Unified period widget (start → duration → end) */
.bwui-period {
    display: grid;
    grid-template-columns: 1fr auto auto auto 1fr;
    gap: 0;
    align-items: stretch;
    background: #fff;
    border: 1px solid var(--bwui-line);
    border-radius: 8px;
    padding: 10px 12px;
}

.bwui-period-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.bwui-period-cap {
    font-size: 11px !important;
    font-weight: 700;
    color: #475569 !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.bwui-period-cell .bwui-dateopen-row {
    width: 100%;
}

.bwui-period-arrow {
    align-self: center;
    margin: 18px 10px 0;
    color: #94a3b8;
    font-size: 18px;
    user-select: none;
}

.bwui-period-duration {
    min-width: 130px;
    flex: 0 0 auto;
}

.bwui-period-duration-row {
    display: flex;
    align-items: stretch;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    overflow: hidden;
    min-height: 32px;
    transition: border-color 140ms ease, box-shadow 140ms ease;
}

.bwui-period-duration-row:focus-within {
    border-color: var(--bwui-primary);
    box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.12);
}

.bwui-period-num {
    flex: 1 1 auto;
    min-width: 0;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    padding: 5px 9px;
    font-size: 13px;
    text-align: right;
    outline: 0;
}

.bwui-period-num:focus {
    border: 0 !important;
    box-shadow: none !important;
}

.bwui-period-unit {
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    background: #eef2f7;
    color: #1e293b !important;
    font-size: 12px !important;
    font-weight: 700;
    border-left: 1px solid #cbd5e1;
}

.bwui-period-hint {
    margin: 8px 0 0;
    font-size: 11px;
    color: var(--bwui-muted);
}

.bwui-period-range {
    grid-template-columns: 1fr auto 1fr;
}

@media (max-width: 900px) {
    .bwui-period,
    .bwui-period-range {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .bwui-period-arrow {
        display: none;
    }
}

/* Searchable picker widget */
.bwui-pickr-field .bwui-pickr {
    position: relative;
}

.bwui-pickr-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 32px;
    padding: 5px 9px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #fff;
    font-size: 13px;
    color: var(--bwui-text);
    cursor: pointer;
    transition: border-color 140ms ease, box-shadow 140ms ease;
    text-align: left;
}

.bwui-pickr-trigger:hover {
    border-color: var(--bwui-primary);
}

.bwui-pickr.is-open .bwui-pickr-trigger {
    border-color: var(--bwui-primary);
    box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.12);
}

.bwui-pickr-summary {
    color: #64748b;
    font-weight: 500;
}

.bwui-pickr.has-value .bwui-pickr-summary {
    color: var(--bwui-text);
    font-weight: 600;
}

.bwui-pickr-caret {
    color: #94a3b8;
    font-size: 11px;
    margin-left: 8px;
    transition: transform 140ms ease;
}

.bwui-pickr.is-open .bwui-pickr-caret {
    transform: rotate(180deg);
}

.bwui-pickr-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 5px;
}

.bwui-pickr-chips:empty {
    display: none;
}

.bwui-pickr-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 4px 2px 8px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    color: var(--bwui-primary);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.6;
}

.bwui-pickr-chip-x {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--bwui-primary);
    font-size: 14px;
    line-height: 1;
    padding: 0 4px;
    cursor: pointer;
    border-radius: 50%;
    transition: background 120ms ease;
}

.bwui-pickr-chip-x:hover {
    background: #bfdbfe;
}

.bwui-pickr-panel {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 50;
    border: 1px solid var(--bwui-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.14);
    overflow: hidden;
    max-height: 320px;
    display: flex;
    flex-direction: column;
}

.bwui-pickr-panel[hidden] {
    display: none;
}

.bwui-pickr-search {
    padding: 8px;
    border-bottom: 1px solid #eef2f7;
    background: #f8fafc;
}

.bwui-pickr-search input {
    min-height: 30px;
    font-size: 13px;
}

.bwui-pickr-list {
    overflow-y: auto;
    max-height: 240px;
    padding: 4px 0;
}

.bwui-pickr-group {
    padding: 4px 0;
}

.bwui-pickr-group + .bwui-pickr-group {
    border-top: 1px solid #f1f5f9;
}

.bwui-pickr-group-label {
    padding: 6px 12px 2px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--bwui-muted);
}

.bwui-pickr-option {
    padding: 7px 12px;
    font-size: 13px;
    cursor: pointer;
    color: var(--bwui-text);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 100ms ease;
}

.bwui-pickr-option:hover,
.bwui-pickr-option.is-active {
    background: #eff6ff;
    color: var(--bwui-primary);
}

.bwui-pickr-option.is-selected::before {
    content: "✓";
    color: var(--bwui-primary);
    font-weight: 700;
}

.bwui-pickr-option.is-selected {
    color: var(--bwui-primary);
    font-weight: 600;
}

.bwui-pickr-option[hidden],
.bwui-pickr-group[hidden] {
    display: none;
}

.bwui-pickr-empty {
    padding: 16px;
    text-align: center;
    color: var(--bwui-muted);
    font-size: 12px;
}

.bwui-pickr-add {
    padding: 7px 12px;
    font-size: 13px;
    color: var(--bwui-primary);
    cursor: pointer;
    border-top: 1px solid #eef2f7;
    background: #f8fafc;
    font-weight: 600;
}

.bwui-pickr-add:hover {
    background: #eff6ff;
}

@media (max-width: 700px) {
    .bwui-hero {
        padding: 16px;
    }

    .bwui-hero h1 {
        font-size: 23px;
    }
}