:root {
    --color-white: #FFFFFF;
    --color-light-grey: #F2F2F2;
    --color-mid-grey: #7F7F7F;
    --color-charcoal: #595959;
    --color-black: #000000;
    --color-blue: #0070C0;
    --color-blue-hover: #005A9E;
    --color-blue-light: rgba(0, 112, 192, 0.1);
    --color-border: #D9D9D9;
    --color-success: #28A745;
    --color-warning: #FFC107;
    --color-error: #DC3545;
    --font-primary: Arial, sans-serif;
    --font-secondary: Verdana, sans-serif;
    --font-mono: Consolas, Monaco, monospace;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 100px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.15);
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --container-width: 1200px;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-light-grey);
    color: var(--color-charcoal);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    font-family: var(--font-primary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

    .btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
    }

.btn-dark,
.btn-primary {
    background-color: var(--color-black);
    color: var(--color-white);
}

    .btn-dark:hover:not(:disabled),
    .btn-primary:hover:not(:disabled) {
        background-color: var(--color-black);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    }

    .btn-dark:active:not(:disabled),
    .btn-primary:active:not(:disabled) {
        transform: translateY(0);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-charcoal);
    border: 2px solid var(--color-border);
}

    .btn-secondary:hover:not(:disabled) {
        background-color: var(--color-white);
        border-color: var(--color-black);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    }

    .btn-secondary:active:not(:disabled) {
        transform: translateY(0);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

.btn-blue {
    background-color: var(--color-blue);
    color: var(--color-white);
}

    .btn-blue:hover:not(:disabled) {
        background-color: var(--color-blue-hover);
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

.btn-danger {
    background-color: var(--color-error);
    color: var(--color-white);
}

    .btn-danger:hover:not(:disabled) {
        background-color: #C82333;
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

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

    .btn-success:hover:not(:disabled) {
        background-color: #218838;
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

.btn-ghost {
    background-color: transparent;
    color: var(--color-charcoal);
    border: none;
}

    .btn-ghost:hover:not(:disabled) {
        background-color: var(--color-light-grey);
    }

.btn-link {
    background: none;
    border: none;
    color: var(--color-blue);
    padding: 0;
    font-weight: 500;
}

    .btn-link:hover:not(:disabled) {
        color: var(--color-charcoal);
        text-decoration: underline;
    }

.btn-sm {
    padding: 10px 20px;
    font-size: 13px;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 16px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-full);
    background-color: var(--color-light-grey);
    border: 1px solid var(--color-border);
    color: var(--color-charcoal);
}

    .btn-icon:hover:not(:disabled) {
        background-color: #E5E5E5;
        border-color: var(--color-mid-grey);
        transform: translateY(-2px);
    }

.btn-icon-sm {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-full);
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-mid-grey);
}

    .btn-icon-sm:hover:not(:disabled) {
        background-color: var(--color-light-grey);
        color: var(--color-error);
        border-color: var(--color-error);
        transform: translateY(-1px);
    }

.btn-action {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-md);
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-mid-grey);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

    .btn-action:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }

    .btn-action.btn-edit:hover:not(:disabled) {
        background-color: var(--color-blue-light);
        border-color: var(--color-blue);
        color: var(--color-blue);
    }

    .btn-action.btn-view:hover:not(:disabled) {
        background-color: rgba(40, 167, 69, 0.1);
        border-color: var(--color-success);
        color: var(--color-success);
    }

    .btn-action.btn-delete:hover:not(:disabled) {
        background-color: rgba(220, 53, 69, 0.1);
        border-color: var(--color-error);
        color: var(--color-error);
    }

    .btn-action i {
        font-size: 14px;
    }

.btn-content {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.pilled-radius {
    border-radius: var(--radius-full);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-charcoal);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-required {
    color: var(--color-error);
    margin-left: 2px;
    font-weight: 600;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    font-family: var(--font-primary);
    color: var(--color-black);
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

    .form-input:hover:not(:disabled),
    .form-select:hover:not(:disabled),
    .form-textarea:hover:not(:disabled) {
        border-color: var(--color-mid-grey);
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
        outline: none;
        border-color: var(--color-blue);
        box-shadow: 0 0 0 4px var(--color-blue-light);
    }

    .form-input:disabled,
    .form-select:disabled,
    .form-textarea:disabled {
        background-color: var(--color-light-grey);
        color: var(--color-mid-grey);
        cursor: not-allowed;
    }

    .form-input::placeholder,
    .form-textarea::placeholder {
        color: var(--color-mid-grey);
    }

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23595959' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
    cursor: pointer;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-hint {
    font-size: 13px;
    color: var(--color-mid-grey);
    margin-top: var(--space-xs);
}

.form-error {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-error);
    margin-top: var(--space-xs);
    font-weight: 500;
}

.form-helper {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--color-mid-grey);
    font-size: 0.875rem;
    margin-top: 6px;
}

.form-group-error .form-input,
.form-group-error .form-select,
.form-group-error .form-textarea {
    border-color: var(--color-error);
    background-color: #FFF5F5;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-lg);
}

    .form-actions .btn {
        min-width: 140px;
    }

.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
    display: inline-block;
    cursor: pointer;
    margin-bottom:30px;
}

    .toggle-switch input {
        opacity: 0;
        width: 0;
        height: 0;
    }

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: var(--color-border);
    border-radius: 28px;
    transition: var(--transition-base);
}

    .toggle-slider::before {
        position: absolute;
        content: "";
        height: 22px;
        width: 22px;
        left: 3px;
        bottom: 3px;
        background-color: var(--color-white);
        border-radius: var(--radius-full);
        transition: var(--transition-base);
        box-shadow: var(--shadow-sm);
    }

input:checked + .toggle-slider {
    background-color: var(--color-blue);
}

    input:checked + .toggle-slider::before {
        transform: translateX(24px);
    }

.toggle-switch:hover .toggle-slider {
    background-color: var(--color-mid-grey);
}

.toggle-switch:hover input:checked + .toggle-slider {
    background-color: var(--color-blue-hover);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

    .modal-overlay.is-visible {
        opacity: 1;
        visibility: visible;
        backdrop-filter: blur(4px);
    }

.modal-container {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    margin: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    max-height: calc(100dvh - (2 * var(--space-lg)));
    min-height: 0;
}

.modal-overlay.is-visible .modal-container {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-black);
}

.modal-body {
    padding: var(--space-xl);
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
    padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0px));
}

.modal-content {
    padding-bottom: 0 !important;
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
}

    .modal-content::-webkit-scrollbar {
        width: 8px;
    }

    .modal-content::-webkit-scrollbar-track {
        background: var(--color-light-grey);
        border-radius: 4px;
    }

    .modal-content::-webkit-scrollbar-thumb {
        background: var(--color-border);
        border-radius: 4px;
    }

        .modal-content::-webkit-scrollbar-thumb:hover {
            background: var(--color-mid-grey);
        }

.confirmation-icon {
    font-size: 48px;
    color: var(--color-error);
    margin-bottom: var(--space-lg);
}

.confirmation-message {
    font-size: 16px;
    color: var(--color-mid-grey);
    line-height: 1.5;
}

.alert {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    animation: slideIn 0.3s ease-out;
}

.alert-content {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    flex: 1;
}

    .alert-content i {
        font-size: 20px;
        flex-shrink: 0;
        margin-top: 2px;
    }

    .alert-content strong {
        display: block;
        font-size: 1rem;
        margin-bottom: 4px;
    }

    .alert-content p {
        margin: 0;
        font-size: 0.9rem;
    }

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    font-size: 20px;
    padding: 0;
    margin-left: 12px;
    flex-shrink: 0;
}

.alert-success {
    background-color: #D4EDDA;
    border: 1px solid #C3E6CB;
    color: #155724;
}

.alert-error {
    background-color: #F8D7DA;
    border: 1px solid #F5C6CB;
    color: #721C24;
}

.alert-warning {
    background-color: #FFF3CD;
    border: 1px solid #FFEEBA;
    color: #856404;
}

.alert-info {
    background-color: var(--color-blue-light);
    border: 1px solid #B8DAFF;
    color: #004085;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-lg {
    width: 48px;
    height: 48px;
    border-width: 4px;
}

.spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.page-header-content {
    flex: 1;
}

.page-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: var(--space-xs);
}

.page-description {
    font-size: 15px;
    color: var(--color-mid-grey);
}

.page-header-actions {
    display: flex;
    gap: var(--space-md);
    flex-shrink: 0;
}

    .page-header-actions .btn {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
    }

        .page-header-actions .btn i {
            font-size: 16px;
        }

.content-section {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-lg);
}

.section-header-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.section-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-black);
}

.section-description {
    font-size: 14px;
    color: var(--color-mid-grey);
}

.section-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.avatar-circle {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #7F8589, #000000);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 32px;
    flex-shrink: 0;
    font-weight: 600;
}

.avatar-circle-sm {
    width: 40px;
    height: 40px;
    font-size: 18px;
}

.avatar-circle-lg {
    width: 64px;
    height: 64px;
    font-size: 28px;
}

.avatar-circle-empty {
    background: linear-gradient(135deg, #F2F2F2, #E5E5E5);
    color: var(--color-mid-grey);
}

/* Photo avatar: swap gradient background for the uploaded image. */
.avatar-circle-photo {
    background: #ffffff;
    overflow: hidden;
}

    .avatar-circle-photo img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
    min-height: 200px;
}

.empty-icon {
    font-size: 48px;
    color: var(--color-border);
    margin-bottom: var(--space-md);
}

.empty-message {
    font-size: 15px;
    color: var(--color-charcoal);
    font-weight: 500;
    max-width: 300px;
}

.empty-hint {
    font-size: 13px;
    color: var(--color-mid-grey);
    margin-top: var(--space-xs);
    max-width: 280px;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge-active,
.status-badge-verified {
    background-color: #D1FAE5;
    color: #065F46;
}

.status-badge-pending {
    background-color: #FEF3C7;
    color: #92400E;
}

.status-badge-inactive,
.status-badge-expired {
    background-color: #FEE2E2;
    color: #991B1B;
}

.badge-new {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background-color: #DBEAFE;
    color: #1D4ED8;
    margin-left: 6px;
}

.divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
    color: var(--color-mid-grey);
    font-size: 14px;
}

    .divider::before,
    .divider::after {
        content: '';
        flex: 1;
        height: 1px;
        background-color: var(--color-border);
    }

.text-muted {
    color: var(--color-mid-grey);
}

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

.text-error {
    color: var(--color-error);
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }

    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }

    .page-header-actions {
        align-self: flex-start;
    }

    .form-grid,
    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

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

    .modal-container {
        margin: var(--space-md);
    }

    .modal-footer {
        flex-direction: column-reverse;
    }

        .modal-footer .btn {
            width: 100%;
        }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 24px;
    }

    .section-title {
        font-size: 18px;
    }

    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }

    .empty-state {
        padding: var(--space-xl) var(--space-md);
        min-height: 160px;
    }

    .empty-icon {
        font-size: 40px;
    }

    .avatar-circle {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }
}

.btn-secondary:hover:not(:disabled),
.button-group .btn-secondary:hover:not(:disabled) {
    background-color: #FFFFFF !important;
    color: #595959 !important;
    border-color: #000000 !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}