/* ═══════════════════════════════════════════════════════════════════════════
   SPLENT — Custom Design System
   Overrides AdminKit defaults with a modern, distinctive look.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── CSS Variables ──────────────────────────────────────────────────────── */

:root {
    --s-bg:           #f8fafc;
    --s-surface:      #ffffff;
    --s-surface-hover: #f1f5f9;
    --s-border:       #e2e8f0;
    --s-border-light: #f1f5f9;

    --s-text:         #0f172a;
    --s-text-secondary: #64748b;
    --s-text-muted:   #94a3b8;

    --s-sidebar-bg:   #0f172a;
    --s-sidebar-hover: rgba(255, 255, 255, 0.06);
    --s-sidebar-active: rgba(99, 102, 241, 0.15);
    --s-sidebar-text: #94a3b8;
    --s-sidebar-text-active: #e2e8f0;
    --s-sidebar-width: 260px;

    --s-primary:      #6366f1;
    --s-primary-hover: #4f46e5;
    --s-primary-soft: rgba(99, 102, 241, 0.08);
    --s-success:      #10b981;
    --s-success-soft: rgba(16, 185, 129, 0.08);
    --s-danger:       #f43f5e;
    --s-danger-soft:  rgba(244, 63, 94, 0.08);
    --s-warning:      #f59e0b;
    --s-warning-soft: rgba(245, 158, 11, 0.08);
    --s-info:         #06b6d4;
    --s-info-soft:    rgba(6, 182, 212, 0.08);

    --s-radius:       10px;
    --s-radius-sm:    6px;
    --s-radius-lg:    14px;
    --s-shadow:       0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.06);
    --s-shadow-md:    0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --s-shadow-lg:    0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --s-transition:   150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Global Reset & Typography ─────────────────────────────────────────── */

body {
    background: var(--s-bg) !important;
    color: var(--s-text) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif !important;
    font-size: 14px !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.006em;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-weight: 600 !important;
    letter-spacing: -0.025em;
    color: var(--s-text) !important;
}

h1, .h1 { font-size: 1.75rem !important; }
h2, .h2 { font-size: 1.45rem !important; }
h3, .h3 { font-size: 1.2rem !important; }

a {
    color: var(--s-primary);
    text-decoration: none;
    transition: color var(--s-transition);
}
a:hover {
    color: var(--s-primary-hover);
}

::selection {
    background: var(--s-primary);
    color: white;
}

/* ── Sidebar ───────────────────────────────────────────────────────────── */

.sidebar {
    background: var(--s-sidebar-bg) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.06) !important;
    width: var(--s-sidebar-width) !important;
}

.sidebar-brand {
    font-weight: 700 !important;
    font-size: 1rem !important;
    letter-spacing: -0.03em !important;
    color: #f8fafc !important;
    padding: 1.4rem 1.5rem !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.6rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    text-decoration: none !important;
}

.sidebar-brand::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--s-success);
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
    flex-shrink: 0;
}

.sidebar-nav {
    padding: 0.75rem 0.75rem !important;
}

.sidebar-header {
    color: var(--s-text-muted) !important;
    font-size: 0.65rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
    padding: 1.25rem 0.75rem 0.4rem !important;
    margin: 0 !important;
}

.sidebar-item {
    margin-bottom: 1px !important;
}

.sidebar-link {
    color: var(--s-sidebar-text) !important;
    font-size: 0.84rem !important;
    font-weight: 400 !important;
    padding: 0.55rem 0.75rem !important;
    border-radius: var(--s-radius-sm) !important;
    transition: all var(--s-transition) !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.65rem !important;
}

.sidebar-link:hover {
    color: var(--s-sidebar-text-active) !important;
    background: var(--s-sidebar-hover) !important;
}

.sidebar-item.active > .sidebar-link,
.sidebar-link.active {
    color: #fff !important;
    background: var(--s-sidebar-active) !important;
}

.sidebar-link svg,
.sidebar-link .align-middle[data-feather] {
    width: 17px !important;
    height: 17px !important;
    stroke-width: 1.8 !important;
    opacity: 0.7;
}

.sidebar-link:hover svg {
    opacity: 1;
}

/* ── Main Content Area ─────────────────────────────────────────────────── */

.main {
    background: var(--s-bg) !important;
}

.content {
    padding: 2rem !important;
}

.content > .container,
.content > .container-fluid,
.content > .container.p-0 {
    max-width: 1100px;
    padding: 0 !important;
}

/* ── Navbar ─────────────────────────────────────────────────────────────── */

.navbar {
    background: var(--s-surface) !important;
    border-bottom: 1px solid var(--s-border) !important;
    box-shadow: none !important;
    padding: 0.6rem 1.5rem !important;
    min-height: auto !important;
}

.navbar-bg {
    box-shadow: none !important;
}

.hamburger,
.sidebar-toggle {
    color: var(--s-text-secondary) !important;
}

.hamburger::before,
.hamburger::after {
    background: var(--s-text-secondary) !important;
}

.nav-link {
    color: var(--s-text-secondary) !important;
    font-size: 0.84rem !important;
    font-weight: 500 !important;
    transition: color var(--s-transition) !important;
}

.nav-link:hover {
    color: var(--s-text) !important;
}

.dropdown-menu {
    border: 1px solid var(--s-border) !important;
    border-radius: var(--s-radius) !important;
    box-shadow: var(--s-shadow-lg) !important;
    padding: 0.35rem !important;
    min-width: 180px !important;
    animation: s-dropdown 150ms ease-out;
}

@keyframes s-dropdown {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
    font-size: 0.84rem !important;
    padding: 0.5rem 0.75rem !important;
    border-radius: var(--s-radius-sm) !important;
    color: var(--s-text) !important;
    transition: background var(--s-transition) !important;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--s-surface-hover) !important;
    color: var(--s-text) !important;
}

/* ── Cards ──────────────────────────────────────────────────────────────── */

.card {
    background: var(--s-surface) !important;
    border: 1px solid var(--s-border) !important;
    border-radius: var(--s-radius) !important;
    box-shadow: var(--s-shadow) !important;
    transition: box-shadow var(--s-transition), border-color var(--s-transition) !important;
}

.card:hover {
    box-shadow: var(--s-shadow-md) !important;
}

.content > .container > .card {
    border-radius: var(--s-radius-lg) !important;
    box-shadow: var(--s-shadow) !important;
}

.content > .container > .card:hover {
    box-shadow: var(--s-shadow) !important;
}

.card-body {
    padding: 1.25rem !important;
}

.card-title {
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    letter-spacing: -0.02em !important;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */

.btn {
    font-size: 0.84rem !important;
    font-weight: 500 !important;
    border-radius: var(--s-radius-sm) !important;
    padding: 0.45rem 1rem !important;
    transition: all var(--s-transition) !important;
    letter-spacing: -0.01em;
    border: none !important;
    box-shadow: none !important;
}

.btn-primary {
    background: var(--s-primary) !important;
    color: white !important;
}
.btn-primary:hover {
    background: var(--s-primary-hover) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3) !important;
}

.btn-success {
    background: var(--s-success) !important;
    color: white !important;
}
.btn-success:hover {
    background: #059669 !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3) !important;
}

.btn-danger {
    background: var(--s-danger) !important;
    color: white !important;
}
.btn-danger:hover {
    background: #e11d48 !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(244, 63, 94, 0.3) !important;
}

.btn-outline-primary {
    background: transparent !important;
    color: var(--s-primary) !important;
    border: 1px solid var(--s-primary) !important;
}
.btn-outline-primary:hover {
    background: var(--s-primary) !important;
    color: white !important;
}

.btn-outline-secondary {
    background: transparent !important;
    color: var(--s-text-secondary) !important;
    border: 1px solid var(--s-border) !important;
}
.btn-outline-secondary:hover {
    background: var(--s-surface-hover) !important;
    color: var(--s-text) !important;
    border-color: var(--s-text-muted) !important;
}

.btn-outline-success {
    background: transparent !important;
    color: var(--s-success) !important;
    border: 1px solid var(--s-success) !important;
}
.btn-outline-success:hover {
    background: var(--s-success) !important;
    color: white !important;
}

.btn-outline-danger {
    background: transparent !important;
    color: var(--s-danger) !important;
    border: 1px solid var(--s-danger) !important;
}
.btn-outline-danger:hover {
    background: var(--s-danger) !important;
    color: white !important;
}

.btn-sm {
    padding: 0.3rem 0.7rem !important;
    font-size: 0.78rem !important;
}

.btn-lg {
    padding: 0.65rem 1.5rem !important;
    font-size: 0.95rem !important;
}

/* ── Forms ──────────────────────────────────────────────────────────────── */

.form-control {
    background: var(--s-surface) !important;
    border: 1px solid var(--s-border) !important;
    border-radius: var(--s-radius-sm) !important;
    font-size: 0.88rem !important;
    padding: 0.55rem 0.85rem !important;
    color: var(--s-text) !important;
    transition: border-color var(--s-transition), box-shadow var(--s-transition) !important;
}

.form-control:focus {
    border-color: var(--s-primary) !important;
    box-shadow: 0 0 0 3px var(--s-primary-soft) !important;
    outline: none !important;
}

.form-control::placeholder {
    color: var(--s-text-muted) !important;
}

.form-label {
    font-size: 0.82rem !important;
    font-weight: 500 !important;
    color: var(--s-text) !important;
    margin-bottom: 0.35rem !important;
}

.form-check-input {
    border-color: var(--s-border) !important;
    border-radius: 4px !important;
}

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

.form-check-input:focus {
    box-shadow: 0 0 0 3px var(--s-primary-soft) !important;
}

.form-switch .form-check-input {
    border-radius: 999px !important;
}

.form-text {
    color: var(--s-text-muted) !important;
    font-size: 0.78rem !important;
}

/* ── Tables ─────────────────────────────────────────────────────────────── */

.table {
    font-size: 0.84rem !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
}

.table thead th {
    background: var(--s-bg) !important;
    color: var(--s-text-secondary) !important;
    font-weight: 600 !important;
    font-size: 0.75rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    border-bottom: 1px solid var(--s-border) !important;
    padding: 0.7rem 0.85rem !important;
    white-space: nowrap;
}

.table-dark thead th,
.thead-dark th {
    background: var(--s-sidebar-bg) !important;
    color: var(--s-sidebar-text-active) !important;
    border: none !important;
}

.table tbody td {
    padding: 0.7rem 0.85rem !important;
    border-bottom: 1px solid var(--s-border-light) !important;
    vertical-align: middle !important;
    color: var(--s-text) !important;
}

.table tbody tr {
    transition: background var(--s-transition);
}

.table-hover tbody tr:hover,
.table-striped tbody tr:hover {
    background: var(--s-primary-soft) !important;
}

.table-striped tbody tr:nth-of-type(odd) {
    background: rgba(248, 250, 252, 0.5) !important;
}
.table-striped tbody tr:nth-of-type(odd):hover {
    background: var(--s-primary-soft) !important;
}

.table-responsive {
    border: 1px solid var(--s-border) !important;
    border-radius: var(--s-radius) !important;
    overflow: hidden;
}

/* ── Alerts ─────────────────────────────────────────────────────────────── */

.alert {
    border: none !important;
    border-radius: var(--s-radius-sm) !important;
    font-size: 0.84rem !important;
    font-weight: 500 !important;
    padding: 0.75rem 1rem !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-success {
    background: var(--s-success-soft) !important;
    color: #065f46 !important;
    border-left: 3px solid var(--s-success) !important;
}

.alert-danger {
    background: var(--s-danger-soft) !important;
    color: #9f1239 !important;
    border-left: 3px solid var(--s-danger) !important;
}

.alert-warning {
    background: var(--s-warning-soft) !important;
    color: #92400e !important;
    border-left: 3px solid var(--s-warning) !important;
}

.alert-info {
    background: var(--s-info-soft) !important;
    color: #0e7490 !important;
    border-left: 3px solid var(--s-info) !important;
}

.alert-error {
    background: var(--s-danger-soft) !important;
    color: #9f1239 !important;
    border-left: 3px solid var(--s-danger) !important;
    padding: 0.75rem 1rem;
    border-radius: var(--s-radius-sm);
    font-size: 0.84rem;
    font-weight: 500;
}

.alert-dismissible .btn-close {
    padding: 0.85rem 1rem !important;
    opacity: 0.5;
}

/* ── Badges ─────────────────────────────────────────────────────────────── */

.badge {
    font-weight: 500 !important;
    font-size: 0.72rem !important;
    letter-spacing: 0.01em;
    padding: 0.3em 0.65em !important;
    border-radius: 5px !important;
}

.bg-primary { background: var(--s-primary) !important; }
.bg-success { background: var(--s-success) !important; }
.bg-danger  { background: var(--s-danger) !important; }
.bg-warning {
    background: var(--s-warning) !important;
    color: #fff !important;
}
.bg-info {
    background: var(--s-info) !important;
    color: #fff !important;
}
.bg-secondary {
    background: var(--s-surface-hover) !important;
    color: var(--s-text-secondary) !important;
}

.rounded-pill {
    border-radius: 999px !important;
}

/* ── Pagination ─────────────────────────────────────────────────────────── */

.pagination {
    gap: 3px;
}

.page-link {
    border: 1px solid var(--s-border) !important;
    border-radius: var(--s-radius-sm) !important;
    color: var(--s-text-secondary) !important;
    font-size: 0.82rem !important;
    font-weight: 500 !important;
    padding: 0.4rem 0.75rem !important;
    transition: all var(--s-transition) !important;
}

.page-link:hover {
    background: var(--s-primary-soft) !important;
    color: var(--s-primary) !important;
    border-color: var(--s-primary) !important;
}

.page-item.active .page-link {
    background: var(--s-primary) !important;
    border-color: var(--s-primary) !important;
    color: white !important;
}

.page-item.disabled .page-link {
    background: var(--s-bg) !important;
    color: var(--s-text-muted) !important;
    opacity: 0.5;
}

/* ── Breadcrumbs ────────────────────────────────────────────────────────── */

.breadcrumb {
    background: none !important;
    padding: 0.4rem 0 !important;
    margin: 0 0 0.6rem 0 !important;
    font-size: 0.8rem !important;
    list-style: none !important;
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
}

.breadcrumb-item {
    display: flex !important;
    align-items: center !important;
}

.breadcrumb-item a {
    color: var(--s-primary) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    transition: color var(--s-transition) !important;
}

.breadcrumb-item a:hover {
    color: var(--s-primary-hover) !important;
}

.breadcrumb-item.active {
    color: var(--s-text-muted) !important;
    font-weight: 400 !important;
}

.breadcrumb-item + .breadcrumb-item {
    padding-left: 0.45rem !important;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '\203A' !important;
    color: var(--s-text-muted) !important;
    font-size: 1.1em !important;
    padding-right: 0.45rem !important;
    float: none !important;
}

/* ── List Groups ────────────────────────────────────────────────────────── */

.list-group-item {
    border: 1px solid var(--s-border-light) !important;
    border-radius: 0 !important;
    padding: 1rem 1.15rem !important;
    transition: background var(--s-transition) !important;
    color: var(--s-text) !important;
}

.list-group-item:first-child { border-radius: var(--s-radius) var(--s-radius) 0 0 !important; }
.list-group-item:last-child  { border-radius: 0 0 var(--s-radius) var(--s-radius) !important; }
.list-group-item:only-child  { border-radius: var(--s-radius) !important; }

.list-group-item:hover {
    background: var(--s-primary-soft) !important;
}

.list-group-item + .list-group-item {
    border-top: none !important;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */

.footer {
    background: transparent !important;
    border-top: 1px solid var(--s-border) !important;
    padding: 0.75rem 0 !important;
    font-size: 0.78rem !important;
    color: var(--s-text-muted) !important;
}

/* ── Border utilities ───────────────────────────────────────────────────── */

.border-danger {
    border-color: var(--s-danger) !important;
}

.shadow-sm {
    box-shadow: var(--s-shadow) !important;
}

/* ── Utility Overrides ──────────────────────────────────────────────────── */

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

.text-dark {
    color: var(--s-text) !important;
}

.fw-semibold {
    font-weight: 600 !important;
}

.fst-italic {
    font-style: italic;
    opacity: 0.6;
}

/* ── Scrollbar ──────────────────────────────────────────────────────────── */

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--s-border);
    border-radius: 999px;
}

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

/* ── Page transitions ───────────────────────────────────────────────────── */

.content {
    animation: s-page-in 300ms ease-out;
}

@keyframes s-page-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}