/* ========================================
   Users Page - Scoped Component Styles
   ========================================
   Inherits from app.css:
     - .access-denied, .empty-icon, .access-denied-icon (section 19)
     - .alert, .alert-danger/success/warning (section 7)
     - .modal-backdrop, .app-modal, .modal-dialog/content/header/body/footer (section 10b)
     - .modal-body .form-label, .required, .mb-3 (section 10b)
     - .form-control, .form-select, .form-label (section 4)
     - .btn, .btn-primary/secondary/danger, .btn-sm, .btn-close (section 5)
     - .spinner-border (section 11)
     - .invalid-feedback → validation-message (section 12)
     - Reduced motion (section 17)
   Only page-specific additions and overrides below.
   ======================================== */

/* ========================================
   Page Container
   ======================================== */
.users-container {
    padding: var(--space-6) var(--space-page-x);
    max-width: 1400px;
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .users-container {
        padding: var(--space-8) var(--space-12);
    }
}

@media (min-width: 1440px) {
    .users-container {
        padding: var(--space-10) 4rem;
    }
}

/* ========================================
   Header
   ======================================== */
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
    gap: var(--space-6);
}

.header-info h1 {
    margin: 0;
    font-family: var(--font-family-heading);
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.header-subtitle {
    margin: var(--space-2) 0 0 0;
    font-family: var(--font-family-base);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

.header-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.header-actions .btn {
    white-space: nowrap;
}

/* ========================================
   Loading & Empty States
   ======================================== */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-10) var(--space-8);
    color: var(--text-tertiary);
    font-family: var(--font-family-base);
}

.loading-spinner .spinner-border {
    width: 3rem;
    height: 3rem;
    color: var(--color-primary-light);
    margin-bottom: var(--space-6);
}

.empty-state {
    text-align: center;
    padding: var(--space-10) var(--space-8);
    color: var(--text-tertiary);
}

.empty-state h3 {
    margin: 0 0 var(--space-3) 0;
    color: var(--text-primary);
    font-family: var(--font-family-base);
    font-size: var(--text-xl);
}

.empty-state p {
    margin: 0;
    font-family: var(--font-family-base);
}

/* ========================================
   Alerts (page-specific overrides)
   ======================================== */
.alert {
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.alert-dismiss {
    background: none;
    border: none;
    color: inherit;
    font-size: var(--text-2xl);
    cursor: pointer;
    padding: 0 0 0 var(--space-4);
    opacity: 0.7;
    transition: opacity var(--duration-fast) var(--ease-default);
    line-height: 1;
    flex-shrink: 0;
}

.alert-dismiss:hover {
    opacity: 1;
}

/* ========================================
   Users Table
   ======================================== */
.users-table {
    background: var(--surface-elevated);
    border-radius: var(--radius-xl);
    border: 0.5px solid var(--border-default);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table-header {
    display: grid;
    grid-template-columns: 1.5fr 1.5fr 0.8fr 0.7fr 0.7fr 1fr 140px;
    padding: var(--space-4) var(--space-6);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 0.5px solid var(--border-light);
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-semibold);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    gap: var(--space-4);
}

.table-body {
    max-height: 65vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.table-body::-webkit-scrollbar {
    width: 8px;
}

.table-body::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.table-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

.table-body::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

.table-row {
    display: grid;
    grid-template-columns: 1.5fr 1.5fr 0.8fr 0.7fr 0.7fr 1fr 140px;
    padding: var(--space-5) var(--space-6);
    border-bottom: 0.5px solid var(--border-light);
    align-items: center;
    gap: var(--space-4);
    transition: background var(--duration-fast) var(--ease-out);
}

.table-row:last-child {
    border-bottom: none;
}

.table-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.table-row.inactive {
    opacity: 0.5;
}

.table-row.current-user {
    background: rgba(220, 38, 38, 0.06);
}

.table-row.current-user:hover {
    background: rgba(220, 38, 38, 0.1);
}

/* ========================================
   Table Columns
   ======================================== */
.col-username,
.col-displayname,
.col-lastlogin {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.col-username {
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-semibold);
    font-size: var(--text-base);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.col-displayname {
    color: var(--text-secondary);
    font-family: var(--font-family-base);
    font-size: var(--text-sm);
}

.col-role,
.col-status,
.col-2fa {
    display: flex;
    align-items: center;
}

.col-lastlogin {
    color: var(--text-placeholder);
    font-size: var(--text-sm);
    font-family: var(--font-family-base);
}

.col-actions {
    display: flex;
    gap: var(--space-2);
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* ========================================
   Badges
   ======================================== */

/* Current User */
.current-user-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    background: rgba(220, 38, 38, 0.15);
    color: var(--color-error-light);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    flex-shrink: 0;
}

/* Roles */
.role-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
}

.role-badge.role-admin {
    background: rgba(220, 38, 38, 0.15);
    color: var(--color-error-light);
}

.role-badge.role-worker {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-info);
}

.role-badge.role-user {
    background: rgba(107, 114, 128, 0.15);
    color: var(--text-tertiary);
}

/* Status */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
}

.status-badge.active {
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-success-light);
}

.status-badge.inactive {
    background: rgba(107, 114, 128, 0.15);
    color: var(--text-tertiary);
}

/* 2FA */
.tfa-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
}

.tfa-badge.tfa-on {
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-success);
    border: 0.5px solid rgba(34, 197, 94, 0.3);
}

.tfa-badge.tfa-off {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-placeholder);
    border: 0.5px solid var(--border-default);
}

/* ========================================
   Action Buttons
   ======================================== */
.btn-icon-sm {
    width: var(--touch-target-sm);
    height: var(--touch-target-sm);
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}

.btn-icon-sm:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.btn-icon-sm:active {
    transform: scale(0.92);
}

.btn-icon-sm.danger:hover {
    background: rgba(220, 38, 38, 0.2);
    color: var(--color-error-light);
}

.btn-icon-sm.warning {
    color: var(--color-warning);
}

.btn-icon-sm.warning:hover {
    background: rgba(245, 158, 11, 0.15);
}

/* ========================================
   Modal Content (page-specific additions)
   ======================================== */

/* Modal form controls — slightly larger padding than global default */
.modal-body .form-control,
.modal-body .form-select {
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
}

.modal-body .form-select option {
    background: var(--surface-primary);
    color: var(--text-primary);
    padding: var(--space-2);
}

.modal-body .form-text {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-family: var(--font-family-base);
}

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

.invalid-feedback {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-error-light);
    font-family: var(--font-family-base);
}

/* Checkbox */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    padding: var(--space-2) 0;
}

.form-check-input {
    width: 22px;
    height: 22px;
    accent-color: var(--color-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-shrink: 0;
}

.form-check-label {
    font-family: var(--font-family-base);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--text-base);
}

/* User Info Box (password modal) */
.user-info-box {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
    font-family: var(--font-family-base);
}

.user-info-box .label {
    color: var(--text-muted);
}

.user-info-box .value {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

/* Delete Warning */
.delete-warning {
    text-align: center;
    padding: var(--space-6) 0;
}

.warning-icon {
    font-family: var(--font-family-emoji);
    font-size: 3rem;
    margin-bottom: var(--space-5);
    line-height: 1;
}

.warning-text {
    font-family: var(--font-family-base);
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.warning-subtext {
    font-family: var(--font-family-base);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* ========================================
   2FA Setup Modal
   ======================================== */
.tfa-setup-instructions {
    font-family: var(--font-family-base);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-5);
    line-height: var(--line-height-relaxed);
}

.tfa-setup-instructions p {
    margin: 0;
}

.tfa-qr-container {
    display: flex;
    justify-content: center;
    padding: var(--space-6);
    margin-bottom: var(--space-5);
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-xl);
    border: 0.5px solid var(--border-light);
}

.tfa-qr-image {
    width: 220px;
    height: 220px;
    max-width: 100%;
    border-radius: var(--radius-md);
    image-rendering: pixelated;
}

.tfa-manual-key {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: rgba(0, 0, 0, 0.25);
    border-radius: var(--radius-md);
    border: 0.5px solid var(--border-light);
    margin-bottom: var(--space-6);
}

.tfa-manual-key .label {
    font-family: var(--font-family-base);
    font-size: var(--text-xs);
    color: var(--text-placeholder);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.tfa-manual-key .secret-key {
    font-family: 'Courier New', monospace;
    font-size: var(--text-base);
    color: var(--text-primary);
    letter-spacing: 0.15em;
    word-break: break-all;
    user-select: all;
    background: none;
    padding: 0;
}

.tfa-confirm-section {
    margin-top: var(--space-2);
}

.tfa-confirm-input {
    font-family: var(--font-family-base);
    font-size: var(--text-xl);
    text-align: center;
    letter-spacing: 0.3em;
    font-weight: var(--font-weight-semibold);
}

/* ========================================
   Responsive — Mobile Card Layout
   ======================================== */
@media (max-width: 900px) {
    .users-container {
        padding: var(--space-4) var(--space-3);
        padding-bottom: calc(var(--space-4) + var(--safe-area-bottom));
    }

    .header-row {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-4);
    }

    .header-actions {
        width: 100%;
    }

    .header-actions .btn {
        flex: 1;
        justify-content: center;
    }

    /* Hide grid header; rows become cards */
    .table-header {
        display: none;
    }

    .users-table {
        border-radius: var(--radius-lg);
    }

    .table-row {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-2);
        padding: var(--space-5) var(--space-4);
    }

    .col-username {
        flex: 1 1 100%;
        font-size: var(--text-lg);
        margin-bottom: 2px;
        white-space: normal;
    }

    .col-displayname {
        flex: 1 1 100%;
        font-size: var(--text-sm);
        margin-bottom: var(--space-2);
        color: var(--text-tertiary);
        white-space: normal;
    }

    .col-role,
    .col-status,
    .col-2fa {
        flex: 0 1 auto;
    }

    .col-lastlogin {
        flex: 1 1 100%;
        order: 10;
        margin-top: var(--space-2);
        padding-top: var(--space-2);
        border-top: 0.5px solid var(--border-light);
        font-size: var(--text-sm);
        white-space: normal;
    }

    .col-actions {
        width: auto;
        flex: 0 1 auto;
        order: 5;
        margin-left: auto;
    }
}

/* ========================================
   Large Desktop Optimizations
   ======================================== */
@media (min-width: 1200px) {
    .table-header {
        grid-template-columns: 1.8fr 1.5fr 0.8fr 0.7fr 0.7fr 1fr 160px;
    }

    .table-row {
        grid-template-columns: 1.8fr 1.5fr 0.8fr 0.7fr 0.7fr 1fr 160px;
    }

    .col-actions {
        gap: var(--space-2);
    }

    .btn-icon-sm {
        width: 40px;
        height: 40px;
    }
}