/* ==========================================================================
   Admin Panel Styles — Peoples Post Rate Comparator
   Reuses CSS variables from style.css
   ========================================================================== */

/* ---------- Login ---------- */

.login-card {
    max-width: 400px;
    margin: 80px auto;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-xl);
}

.login-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-lg) 0;
    text-align: center;
    color: var(--color-gray-800);
}

.login-error {
    background: var(--color-error-light);
    color: var(--color-error);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.login-success {
    background: #d4edda;
    color: #155724;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* ---------- Logout button ---------- */

.btn-logout {
    margin-left: auto;
    color: var(--color-white);
    opacity: 0.85;
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-fast);
}

.btn-logout:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.15);
}

/* ---------- Tabs ---------- */

.admin-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: var(--spacing-lg);
    background: var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: 3px;
}

.admin-tab {
    flex: 1;
    padding: 10px 16px;
    border: none;
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-600);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.admin-tab:hover {
    color: var(--color-gray-800);
}

.admin-tab.active {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* ---------- Tab content ---------- */

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.card-description {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin: -8px 0 var(--spacing-md) 0;
}

/* ---------- Zone Sub-tabs ---------- */

.zone-subtabs {
    display: flex;
    gap: 0;
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-gray-200);
}

.zone-subtab {
    padding: 10px 18px;
    border: none;
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.zone-subtab:hover {
    color: var(--color-gray-700);
}

.zone-subtab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.zone-subcontent {
    display: none;
}

.zone-subcontent.active {
    display: block;
}

/* ---------- Pricing search ---------- */

.pricing-search {
    margin-bottom: var(--spacing-md);
}

.pricing-filter-input {
    padding: 8px 12px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: var(--font-body);
    width: 250px;
    transition: border-color var(--transition-fast);
}

.pricing-filter-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(48, 38, 240, 0.1);
}

/* ---------- Dirty state badge ---------- */

.dirty-badge {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-warning);
    background: var(--color-warning-light);
    padding: 2px 6px;
    border-radius: 999px;
    margin-left: 6px;
    vertical-align: middle;
}

/* ---------- Carriers list ---------- */

.carriers-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.carrier-block {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    background: var(--color-gray-50);
}

.carrier-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-gray-200);
}

.carrier-header strong {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
}

.carrier-key {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    font-family: monospace;
}

.surcharges-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--spacing-sm);
}

.surcharge-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.surcharge-row input,
.surcharge-row select {
    padding: 6px 10px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-family: var(--font-body);
    background: var(--color-white);
}

.surcharge-row input:focus,
.surcharge-row select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(48, 38, 240, 0.1);
}

.surcharge-key {
    width: 100px;
}

.surcharge-label {
    width: 160px;
}

.surcharge-type {
    width: 130px;
}

.surcharge-value-wrap input {
    width: 100px;
}

.surcharge-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-top: var(--spacing-sm);
}

.empty-note {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    font-style: italic;
    padding: var(--spacing-xs) 0;
}

/* ---------- Button variants ---------- */

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8125rem;
}

.btn-icon {
    background: none;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-gray-500);
    font-size: 1.1rem;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.btn-icon:hover {
    color: var(--color-error);
    border-color: var(--color-error);
    background: var(--color-error-light);
}

.btn-danger {
    background: var(--color-error);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
}

.btn-danger:hover {
    background: #dc2626;
    box-shadow: var(--shadow-md);
}

/* ---------- Pricing selectors ---------- */

.pricing-selectors {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.pricing-selectors .form-group {
    min-width: 180px;
}

/* ---------- Pricing table ---------- */

.pricing-table-wrapper {
    margin-top: var(--spacing-md);
}

.pricing-table-scroll {
    overflow-x: auto;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.pricing-table th {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    white-space: nowrap;
    position: sticky;
    top: 0;
}

.pricing-table td {
    padding: 2px 4px;
    border-bottom: 1px solid var(--color-gray-100);
}

.pricing-table tr:hover {
    background: rgba(48, 38, 240, 0.02);
}

.weight-cell {
    font-weight: 600;
    color: var(--color-gray-700);
    white-space: nowrap;
    padding-left: 10px !important;
    padding-right: 10px !important;
    background: var(--color-gray-50);
}

.price-input {
    width: 85px;
    padding: 4px 6px;
    border: 1px solid transparent;
    border-radius: 3px;
    font-size: 0.8125rem;
    font-family: var(--font-body);
    background: transparent;
    text-align: right;
    transition: all var(--transition-fast);
}

.price-input:hover {
    border-color: var(--color-gray-300);
    background: var(--color-white);
}

.price-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-white);
    box-shadow: 0 0 0 2px rgba(48, 38, 240, 0.1);
}

/* ---------- Pricing actions ---------- */

.pricing-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.adjust-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.adjust-row label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray-600);
    white-space: nowrap;
}

.adjust-input {
    width: 80px;
    padding: 6px 10px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: var(--font-body);
    text-align: center;
}

.adjust-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(48, 38, 240, 0.1);
}

/* ---------- Supplements table ---------- */

.supplements-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.supplements-table th {
    text-align: left;
    padding: 8px 10px;
    font-weight: 600;
    color: var(--color-gray-600);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 2px solid var(--color-gray-200);
}

.supplements-table td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--color-gray-100);
}

.supplements-table input,
.supplements-table select {
    padding: 6px 10px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-family: var(--font-body);
    background: var(--color-white);
    width: 100%;
}

.supplements-table input:focus,
.supplements-table select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(48, 38, 240, 0.1);
}

.supplements-table .supp-name {
    min-width: 200px;
}

.supplements-table .supp-value {
    width: 100px;
}

.supplements-table .supp-type {
    width: 130px;
}

.supplements-table .supp-display {
    min-width: 120px;
}

.supplement-add-row {
    padding: var(--spacing-sm) 0;
}

/* ---------- Footer ---------- */

.admin-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-gray-200);
    margin-top: var(--spacing-lg);
}

.footer-note {
    font-size: 0.8125rem;
    color: var(--color-gray-400);
    font-style: italic;
}

/* ---------- Loading placeholder ---------- */

.loading-placeholder {
    text-align: center;
    color: var(--color-gray-400);
    padding: var(--spacing-xl);
    font-style: italic;
}

/* ---------- Responsive ---------- */

@media (max-width: 768px) {
    .admin-tabs {
        flex-direction: column;
    }

    .pricing-selectors {
        flex-direction: column;
        align-items: stretch;
    }

    .surcharge-row {
        flex-direction: column;
        align-items: stretch;
    }

    .surcharge-row input,
    .surcharge-row select {
        width: 100%;
    }

    .surcharge-key,
    .surcharge-label,
    .surcharge-value-wrap input {
        width: 100%;
    }

    .pricing-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .adjust-row {
        flex-wrap: wrap;
    }

    .admin-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}