/* ============================================================
   XSIT Console — Design Tokens & Theme Overrides
   Ticket: XS-14 — UI/UX design refresh
   ============================================================ */

/* ── Design tokens ─────────────────────────────────────────── */
:root {
    /* Primary brand palette */
    --xsit-navy:           #0d0d3d;
    --xsit-navy-light:     #1a1a5c;
    --xsit-navy-lighter:   #2d2d7a;
    --xsit-indigo:         #4a4a9e;

    /* Accent */
    --xsit-accent:         #4fc3f7;
    --xsit-accent-hover:   #29b6f6;

    /* Neutrals */
    --xsit-bg:             #f5f6fa;
    --xsit-surface:        #ffffff;
    --xsit-border:         #e2e4ea;
    --xsit-border-light:   #eef0f4;
    --xsit-text:           #1e1e2f;
    --xsit-text-secondary: #6b7280;
    --xsit-text-muted:     #9ca3af;

    /* Semantic */
    --xsit-success:        #22c55e;
    --xsit-success-bg:     #f0fdf4;
    --xsit-warning:        #f59e0b;
    --xsit-warning-bg:     #fffbeb;
    --xsit-danger:         #ef4444;
    --xsit-danger-bg:      #fef2f2;
    --xsit-info:           #3b82f6;
    --xsit-info-bg:        #eff6ff;

    /* Shadows */
    --xsit-shadow-sm:      0 1px 2px rgba(13, 13, 61, 0.05);
    --xsit-shadow:         0 1px 3px rgba(13, 13, 61, 0.08), 0 1px 2px rgba(13, 13, 61, 0.06);
    --xsit-shadow-md:      0 4px 6px -1px rgba(13, 13, 61, 0.08), 0 2px 4px -2px rgba(13, 13, 61, 0.06);
    --xsit-shadow-lg:      0 10px 15px -3px rgba(13, 13, 61, 0.08), 0 4px 6px -4px rgba(13, 13, 61, 0.06);

    /* Radius */
    --xsit-radius-sm:      0.375rem;
    --xsit-radius:         0.5rem;
    --xsit-radius-lg:      0.75rem;
    --xsit-radius-xl:      1rem;

    /* Transitions */
    --xsit-transition:     150ms ease;
}

/* ── Typography ────────────────────────────────────────────── */
html, body {
    font-family: -apple-system, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, sans-serif;
    color: var(--xsit-text);
    background-color: var(--xsit-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--xsit-navy);
    letter-spacing: -0.01em;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }

.text-muted {
    color: var(--xsit-text-secondary) !important;
}

/* ── Links & Buttons ───────────────────────────────────────── */
a, .btn-link {
    color: var(--xsit-navy-lighter);
    transition: color var(--xsit-transition);
}

a:hover, .btn-link:hover {
    color: var(--xsit-navy);
}

/* Primary button */
.btn-primary {
    background-color: var(--xsit-navy) !important;
    border-color: var(--xsit-navy) !important;
    color: #fff !important;
    border-radius: var(--xsit-radius) !important;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: all var(--xsit-transition);
    box-shadow: var(--xsit-shadow-sm);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--xsit-navy-light) !important;
    border-color: var(--xsit-navy-light) !important;
    box-shadow: var(--xsit-shadow);
    transform: translateY(-1px);
}

.btn-primary:active {
    background-color: var(--xsit-navy) !important;
    transform: translateY(0);
}

/* Secondary button */
.btn-secondary {
    background-color: var(--xsit-surface) !important;
    border: 1px solid var(--xsit-border) !important;
    color: var(--xsit-text) !important;
    border-radius: var(--xsit-radius) !important;
    font-weight: 500;
    transition: all var(--xsit-transition);
}

.btn-secondary:hover {
    background-color: var(--xsit-bg) !important;
    border-color: var(--xsit-navy-lighter) !important;
    color: var(--xsit-navy) !important;
}

/* Outline variants */
.btn-outline-danger {
    border-color: var(--xsit-danger) !important;
    color: var(--xsit-danger) !important;
    border-radius: var(--xsit-radius-sm) !important;
    font-weight: 500;
    transition: all var(--xsit-transition);
}

.btn-outline-danger:hover {
    background-color: var(--xsit-danger) !important;
    color: #fff !important;
}

.btn-outline-success {
    border-color: var(--xsit-success) !important;
    color: var(--xsit-success) !important;
    border-radius: var(--xsit-radius-sm) !important;
    font-weight: 500;
    transition: all var(--xsit-transition);
}

.btn-outline-success:hover {
    background-color: var(--xsit-success) !important;
    color: #fff !important;
}

/* Focus ring — consistent across all interactive elements */
.btn:focus, .btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.15rem rgba(13, 13, 61, 0.2) !important;
    outline: none;
}

/* ── Form controls ─────────────────────────────────────────── */
.form-control {
    border: 1px solid var(--xsit-border);
    border-radius: var(--xsit-radius) !important;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    transition: border-color var(--xsit-transition), box-shadow var(--xsit-transition);
    color: var(--xsit-text);
    background-color: var(--xsit-surface);
}

.form-control:focus {
    border-color: var(--xsit-navy-lighter);
}

.form-floating > label {
    color: var(--xsit-text-secondary);
}

.form-check-input:checked {
    background-color: var(--xsit-navy) !important;
    border-color: var(--xsit-navy) !important;
}

/* ── Tables ────────────────────────────────────────────────── */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background-color: var(--xsit-bg);
    color: var(--xsit-text-secondary);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--xsit-border);
    padding: 0.75rem 1rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--xsit-border-light);
    vertical-align: middle;
    font-size: 0.9375rem;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(245, 246, 250, 0.5);
}

.table tbody tr:hover {
    background-color: rgba(13, 13, 61, 0.02);
}

/* ── Badges ────────────────────────────────────────────────── */
.badge {
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
    border-radius: 9999px;
    letter-spacing: 0.01em;
}

.badge.bg-success {
    background-color: var(--xsit-success) !important;
}

.badge.bg-warning {
    background-color: var(--xsit-warning) !important;
    color: #fff !important;
}

.badge.bg-danger {
    background-color: var(--xsit-danger) !important;
}

.badge.bg-secondary {
    background-color: var(--xsit-text-muted) !important;
}

.badge.bg-info {
    background-color: var(--xsit-info) !important;
    color: #fff !important;
}

/* ── Alerts ────────────────────────────────────────────────── */
.alert {
    border-radius: var(--xsit-radius);
    border: none;
    font-size: 0.9375rem;
    padding: 0.875rem 1.25rem;
}

.alert-success {
    background-color: var(--xsit-success-bg);
    color: #166534;
    border-left: 4px solid var(--xsit-success);
}

.alert-danger {
    background-color: var(--xsit-danger-bg);
    color: #991b1b;
    border-left: 4px solid var(--xsit-danger);
}

.alert-warning {
    background-color: var(--xsit-warning-bg);
    color: #92400e;
    border-left: 4px solid var(--xsit-warning);
}

.alert-info {
    background-color: var(--xsit-info-bg);
    color: #1e40af;
    border-left: 4px solid var(--xsit-info);
}

/* ── Cards / Panels ────────────────────────────────────────── */
.xsit-card {
    background: var(--xsit-surface);
    border: 1px solid var(--xsit-border-light);
    border-radius: var(--xsit-radius-lg);
    box-shadow: var(--xsit-shadow-sm);
    padding: 1.5rem;
    transition: box-shadow var(--xsit-transition);
}

.xsit-card:hover {
    box-shadow: var(--xsit-shadow);
}

.xsit-card-header {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--xsit-text-secondary);
    margin-bottom: 0.5rem;
}

.xsit-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--xsit-navy);
    line-height: 1.2;
}

.xsit-card-footer {
    font-size: 0.8125rem;
    color: var(--xsit-text-muted);
    margin-top: 0.5rem;
}

/* Stat card icon accent */
.xsit-card-icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--xsit-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.xsit-card-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.xsit-card-icon.icon-navy {
    background-color: rgba(13, 13, 61, 0.08);
    color: var(--xsit-navy);
}

.xsit-card-icon.icon-accent {
    background-color: rgba(79, 195, 247, 0.12);
    color: var(--xsit-accent-hover);
}

.xsit-card-icon.icon-success {
    background-color: var(--xsit-success-bg);
    color: var(--xsit-success);
}

.xsit-card-icon.icon-warning {
    background-color: var(--xsit-warning-bg);
    color: var(--xsit-warning);
}

/* ── Page header component style ───────────────────────────── */
.xsit-page-header {
    margin-bottom: 1.75rem;
}

.xsit-page-header h1 {
    margin-bottom: 0.25rem;
}

.xsit-page-header p {
    color: var(--xsit-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* ── Empty state card ──────────────────────────────────────── */
.xsit-empty-state {
    background: var(--xsit-surface);
    border: 2px dashed var(--xsit-border);
    border-radius: var(--xsit-radius-lg);
    padding: 3rem 2rem;
    text-align: center;
}

.xsit-empty-state-icon {
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto 1rem;
    border-radius: var(--xsit-radius-lg);
    background-color: rgba(13, 13, 61, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
}

.xsit-empty-state-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--xsit-navy-lighter);
}

.xsit-empty-state h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--xsit-text);
    margin-bottom: 0.5rem;
}

.xsit-empty-state p {
    font-size: 0.875rem;
    color: var(--xsit-text-secondary);
    max-width: 28rem;
    margin: 0 auto;
}

/* ── Hexagon accent (brand motif) ──────────────────────────── */
.xsit-hexagon-accent {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    opacity: 0.08;
}

/* ── Section panel ─────────────────────────────────────────── */
.xsit-panel {
    background: var(--xsit-surface);
    border: 1px solid var(--xsit-border-light);
    border-radius: var(--xsit-radius-lg);
    box-shadow: var(--xsit-shadow-sm);
    overflow: hidden;
}

.xsit-panel-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--xsit-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.xsit-panel-header h3 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
}

.xsit-panel-body {
    padding: 1.5rem;
}

/* ── Login page ────────────────────────────────────────────── */
.xsit-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--xsit-navy) 0%, var(--xsit-navy-light) 50%, var(--xsit-navy-lighter) 100%);
    padding: 2rem 1rem;
}

.xsit-login-card {
    background: var(--xsit-surface);
    border-radius: var(--xsit-radius-xl);
    box-shadow: var(--xsit-shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 26rem;
}

.xsit-login-logo {
    display: block;
    margin: 0 auto 1.5rem;
    height: 2.5rem;
    width: auto;
}

.xsit-login-title {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--xsit-navy);
    margin-bottom: 0.25rem;
}

.xsit-login-subtitle {
    text-align: center;
    font-size: 0.875rem;
    color: var(--xsit-text-secondary);
    margin-bottom: 1.75rem;
}

.xsit-login-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.25rem 0;
    color: var(--xsit-text-muted);
    font-size: 0.8125rem;
}

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

/* ── Account manage nav ────────────────────────────────────── */
.nav-pills .nav-link {
    color: var(--xsit-text);
    border-radius: var(--xsit-radius);
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    transition: all var(--xsit-transition);
}

.nav-pills .nav-link:hover {
    background-color: var(--xsit-bg);
    color: var(--xsit-navy);
}

.nav-pills .nav-link.active {
    background-color: rgba(13, 13, 61, 0.08) !important;
    color: var(--xsit-navy) !important;
    font-weight: 500;
}

/* ── Validation ────────────────────────────────────────────── */
.valid.modified:not([type=checkbox]) {
    outline: none;
    border-color: var(--xsit-success);
}

.invalid {
    outline: none;
    border-color: var(--xsit-danger) !important;
}

.validation-message {
    color: var(--xsit-danger);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

/* ── Responsive utils ──────────────────────────────────────── */
.xsit-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
    gap: 1rem;
}

.xsit-panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(20rem, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

/* ── Scrollbar styling (webkit) ────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--xsit-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--xsit-text-muted);
}

/* ── HR styling ────────────────────────────────────────────── */
hr {
    border-color: var(--xsit-border);
    opacity: 1;
}

/* ── Table responsive container ────────────────────────────── */
.table-responsive {
    border: 1px solid var(--xsit-border-light);
    border-radius: var(--xsit-radius-lg);
    overflow: hidden;
    box-shadow: var(--xsit-shadow-sm);
}

.table-responsive .table {
    margin-bottom: 0;
}

/* ── Checkbox refinements ──────────────────────────────────── */
.darker-border-checkbox.form-check-input {
    border-color: var(--xsit-border);
    border-radius: var(--xsit-radius-sm);
}

/* ── Confirmation modal ──────────────────────────────────────── */
.xsit-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(13, 13, 61, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    padding: 1rem;
}

.xsit-modal {
    background: var(--xsit-surface);
    border-radius: var(--xsit-radius-xl);
    box-shadow: var(--xsit-shadow-lg);
    width: 100%;
    max-width: 28rem;
    overflow: hidden;
}

.xsit-modal-header {
    padding: 1.25rem 1.5rem 0.75rem;
    border-bottom: 1px solid var(--xsit-border-light);
}

.xsit-modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
}

.xsit-modal-body {
    padding: 1.25rem 1.5rem;
}

.xsit-modal-body p {
    margin-bottom: 0.5rem;
}

.xsit-modal-body p:last-child {
    margin-bottom: 0;
}

.xsit-modal-footer {
    padding: 0.75rem 1.5rem 1.25rem;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}