/* ==========================================================================
   Social Media Scheduler — Master Theme
   A modern SaaS skin layered on top of Bootstrap 5.
   Primary color: #303030 (dark gray)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
    /* Brand palette */
    --sms-primary: #303030;
    --sms-primary-hover: #1c1c1c;
    --sms-primary-active: #111111;
    --sms-primary-soft: #f0f0f0;
    --sms-primary-rgb: 48, 48, 48;

    /* Neutrals */
    --sms-bg: #f6f7f9;
    --sms-surface: #ffffff;
    --sms-border: #e6e8ec;
    --sms-border-strong: #d5d8de;
    --sms-text: #24272b;
    --sms-text-muted: #6b7280;
    --sms-text-faint: #9aa1ab;

    /* Accents for statuses */
    --sms-success: #16a34a;
    --sms-success-soft: #e8f7ee;
    --sms-danger: #dc2626;
    --sms-danger-soft: #fdecec;
    --sms-warning: #d97706;
    --sms-warning-soft: #fdf3e3;
    --sms-info: #2563eb;
    --sms-info-soft: #e9f0fe;

    /* Geometry & effects */
    --sms-radius-sm: 8px;
    --sms-radius: 12px;
    --sms-radius-lg: 16px;
    --sms-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
    --sms-shadow: 0 1px 3px rgba(16, 24, 40, 0.07), 0 4px 12px rgba(16, 24, 40, 0.05);
    --sms-shadow-lg: 0 8px 24px rgba(16, 24, 40, 0.12);
    --sms-focus-ring: 0 0 0 0.25rem rgba(48, 48, 48, 0.15);

    /* Layout */
    --sms-sidebar-width: 248px;
    --sms-topbar-height: 64px;

    /* Bootstrap variable overrides */
    --bs-primary: var(--sms-primary);
    --bs-primary-rgb: var(--sms-primary-rgb);
    --bs-secondary-color: var(--sms-text-muted);
    --bs-body-color: var(--sms-text);
    --bs-body-bg: var(--sms-bg);
    --bs-border-color: var(--sms-border);
    --bs-border-radius: var(--sms-radius-sm);
    --bs-border-radius-lg: var(--sms-radius);
    --bs-border-radius-xl: var(--sms-radius-lg);
    --bs-link-color: var(--sms-primary);
    --bs-link-color-rgb: var(--sms-primary-rgb);
    --bs-link-hover-color: var(--sms-primary-hover);
    --bs-link-hover-color-rgb: 28, 28, 28;
    --bs-font-sans-serif: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
body {
    font-family: var(--bs-font-sans-serif);
    background-color: var(--sms-bg);
    color: var(--sms-text);
    font-size: 0.9375rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--sms-text);
}

h1, .h1 { font-size: 1.75rem; }
h2, .h2 { font-size: 1.5rem; }
h3, .h3 { font-size: 1.25rem; }

a {
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    text-decoration: none;
}

::selection {
    background: var(--sms-primary);
    color: #ffffff;
}

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

/* Slim, subtle scrollbars */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #c9cdd4;
    border-radius: 8px;
    border: 2px solid transparent;
    background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover {
    background-color: #aab0b9;
}

/* --------------------------------------------------------------------------
   3. Top navbar
   -------------------------------------------------------------------------- */
.app-navbar {
    background: var(--sms-primary) !important;
    min-height: var(--sms-topbar-height);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06), var(--sms-shadow-sm);
    padding-top: 0.625rem;
    padding-bottom: 0.625rem;
}

.app-navbar .navbar-brand {
    font-weight: 800;
    letter-spacing: -0.02em;
    font-size: 1.0625rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-navbar .navbar-brand .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: linear-gradient(135deg, #4a4a4a 0%, #262626 100%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-size: 0.9375rem;
    color: #ffffff;
}

.app-navbar .nav-link {
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--sms-radius-sm);
    padding: 0.4375rem 0.875rem;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.app-navbar .nav-link:hover,
.app-navbar .nav-link:focus {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

/* --------------------------------------------------------------------------
   4. Sidebar
   -------------------------------------------------------------------------- */
.app-sidebar {
    width: var(--sms-sidebar-width);
    min-height: calc(100vh - var(--sms-topbar-height));
    background: var(--sms-surface);
    border-right: 1px solid var(--sms-border);
    flex-shrink: 0;
}

.app-sidebar .nav {
    padding: 1.25rem 0.875rem;
    gap: 2px;
}

.app-sidebar .sidebar-heading {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sms-text-faint);
    padding: 0.5rem 0.75rem 0.375rem;
    margin: 0;
}

.app-sidebar .nav-link {
    display: flex;
    align-items: center;
    color: var(--sms-text-muted);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5625rem 0.75rem;
    border-radius: var(--sms-radius-sm);
    transition: color 0.15s ease, background-color 0.15s ease;
}

.app-sidebar .nav-link i {
    font-size: 1.0625rem;
    width: 1.5rem;
    color: var(--sms-text-faint);
    transition: color 0.15s ease;
}

.app-sidebar .nav-link:hover {
    color: var(--sms-text);
    background: var(--sms-primary-soft);
}

.app-sidebar .nav-link:hover i {
    color: var(--sms-text);
}

.app-sidebar .nav-link.active {
    color: #ffffff;
    background: var(--sms-primary);
    box-shadow: var(--sms-shadow-sm);
}

.app-sidebar .nav-link.active i {
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   5. Main content area
   -------------------------------------------------------------------------- */
.app-main {
    flex-grow: 1;
    min-width: 0;
}

.app-main > .container,
.app-main > .container-fluid {
    padding-top: 1.75rem;
    padding-bottom: 3rem;
}

/* Page headers (h1 + actions rows commonly used at the top of pages) */
.d-flex.justify-content-between.align-items-center.mb-4 h1,
.d-flex.justify-content-between.align-items-center.mb-4 .h1 {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   6. Cards
   -------------------------------------------------------------------------- */
.card {
    border: 1px solid var(--sms-border);
    border-radius: var(--sms-radius);
    background: var(--sms-surface);
    box-shadow: var(--sms-shadow-sm);
    transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

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

.card-header {
    background: var(--sms-surface);
    border-bottom: 1px solid var(--sms-border);
    font-weight: 600;
    padding: 1rem 1.25rem;
    border-top-left-radius: var(--sms-radius) !important;
    border-top-right-radius: var(--sms-radius) !important;
}

.card-header.bg-primary,
.card-header.bg-dark {
    background: var(--sms-primary) !important;
    color: #ffffff;
    border-bottom: none;
}

.card-footer {
    background: #fafbfc;
    border-top: 1px solid var(--sms-border);
    border-bottom-left-radius: var(--sms-radius) !important;
    border-bottom-right-radius: var(--sms-radius) !important;
}

.card-body {
    padding: 1.25rem;
}

.card-title {
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.btn {
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--sms-radius-sm);
    padding: 0.5rem 1rem;
    transition: background-color 0.15s ease, border-color 0.15s ease,
        color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.btn:active {
    transform: translateY(1px);
}

.btn:focus-visible {
    box-shadow: var(--sms-focus-ring);
}

.btn-sm {
    font-size: 0.8125rem;
    padding: 0.3125rem 0.75rem;
    border-radius: 7px;
}

.btn-lg {
    font-size: 0.9375rem;
    padding: 0.6875rem 1.375rem;
    border-radius: var(--sms-radius);
}

/* Primary — the brand dark gray */
.btn-primary {
    --bs-btn-bg: var(--sms-primary);
    --bs-btn-border-color: var(--sms-primary);
    --bs-btn-hover-bg: var(--sms-primary-hover);
    --bs-btn-hover-border-color: var(--sms-primary-hover);
    --bs-btn-active-bg: var(--sms-primary-active);
    --bs-btn-active-border-color: var(--sms-primary-active);
    --bs-btn-disabled-bg: #8a8a8a;
    --bs-btn-disabled-border-color: #8a8a8a;
    --bs-btn-focus-shadow-rgb: var(--sms-primary-rgb);
    box-shadow: var(--sms-shadow-sm);
}

.btn-outline-primary {
    --bs-btn-color: var(--sms-primary);
    --bs-btn-border-color: var(--sms-border-strong);
    --bs-btn-hover-bg: var(--sms-primary);
    --bs-btn-hover-border-color: var(--sms-primary);
    --bs-btn-hover-color: #ffffff;
    --bs-btn-active-bg: var(--sms-primary-active);
    --bs-btn-active-border-color: var(--sms-primary-active);
    --bs-btn-focus-shadow-rgb: var(--sms-primary-rgb);
}

/* Secondary — quiet, surface-like buttons */
.btn-secondary {
    --bs-btn-bg: #f2f3f5;
    --bs-btn-border-color: #e3e5e9;
    --bs-btn-color: var(--sms-text);
    --bs-btn-hover-bg: #e7e9ed;
    --bs-btn-hover-border-color: #d5d8de;
    --bs-btn-hover-color: var(--sms-text);
    --bs-btn-active-bg: #dde0e5;
    --bs-btn-active-border-color: #ccd0d7;
    --bs-btn-active-color: var(--sms-text);
}

.btn-outline-secondary {
    --bs-btn-color: var(--sms-text-muted);
    --bs-btn-border-color: var(--sms-border-strong);
    --bs-btn-hover-bg: #f2f3f5;
    --bs-btn-hover-border-color: var(--sms-border-strong);
    --bs-btn-hover-color: var(--sms-text);
    --bs-btn-active-bg: #e7e9ed;
    --bs-btn-active-border-color: var(--sms-border-strong);
    --bs-btn-active-color: var(--sms-text);
}

.btn-dark {
    --bs-btn-bg: var(--sms-primary);
    --bs-btn-border-color: var(--sms-primary);
    --bs-btn-hover-bg: var(--sms-primary-hover);
    --bs-btn-hover-border-color: var(--sms-primary-hover);
    --bs-btn-active-bg: var(--sms-primary-active);
    --bs-btn-active-border-color: var(--sms-primary-active);
}

.btn-success {
    --bs-btn-bg: var(--sms-success);
    --bs-btn-border-color: var(--sms-success);
    --bs-btn-hover-bg: #12833c;
    --bs-btn-hover-border-color: #12833c;
    --bs-btn-active-bg: #0f7134;
    --bs-btn-active-border-color: #0f7134;
}

.btn-danger {
    --bs-btn-bg: var(--sms-danger);
    --bs-btn-border-color: var(--sms-danger);
    --bs-btn-hover-bg: #b91c1c;
    --bs-btn-hover-border-color: #b91c1c;
    --bs-btn-active-bg: #991b1b;
    --bs-btn-active-border-color: #991b1b;
}

.btn-outline-danger {
    --bs-btn-color: var(--sms-danger);
    --bs-btn-border-color: #f3c6c6;
    --bs-btn-hover-bg: var(--sms-danger);
    --bs-btn-hover-border-color: var(--sms-danger);
}

.btn-link {
    --bs-btn-color: var(--sms-primary);
    --bs-btn-hover-color: var(--sms-primary-hover);
    font-weight: 600;
    text-decoration: none;
}

/* --------------------------------------------------------------------------
   8. Forms
   -------------------------------------------------------------------------- */
.form-label {
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--sms-text);
    margin-bottom: 0.375rem;
}

.form-text {
    color: var(--sms-text-faint);
    font-size: 0.8125rem;
}

.form-control,
.form-select {
    border: 1px solid var(--sms-border-strong);
    border-radius: var(--sms-radius-sm);
    padding: 0.5rem 0.875rem;
    font-size: 0.9075rem;
    color: var(--sms-text);
    background-color: var(--sms-surface);
    box-shadow: var(--sms-shadow-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control::placeholder {
    color: var(--sms-text-faint);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--sms-primary);
    box-shadow: var(--sms-focus-ring);
}

.form-check-input {
    border-color: var(--sms-border-strong);
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

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

.form-check-input:focus {
    border-color: var(--sms-primary);
    box-shadow: var(--sms-focus-ring);
}

.form-switch .form-check-input:focus {
    --bs-form-switch-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba(48,48,48,0.5)'/%3e%3c/svg%3e");
}

.form-control-color {
    padding: 0.25rem;
    min-height: 2.5rem;
}

textarea.form-control {
    line-height: 1.6;
}

.input-group-text {
    background: #f2f3f5;
    border: 1px solid var(--sms-border-strong);
    color: var(--sms-text-muted);
    font-size: 0.875rem;
    border-radius: var(--sms-radius-sm);
}

/* --------------------------------------------------------------------------
   9. Tables
   -------------------------------------------------------------------------- */
.table {
    --bs-table-bg: transparent;
    font-size: 0.875rem;
    border-color: var(--sms-border);
    margin-bottom: 0;
}

.table thead th {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sms-text-muted);
    background: #fafbfc;
    border-bottom: 1px solid var(--sms-border);
    padding: 0.75rem 1rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 0.875rem 1rem;
    vertical-align: middle;
    border-color: var(--sms-border);
}

.table-hover tbody tr {
    transition: background-color 0.12s ease;
}

.table-hover tbody tr:hover {
    background-color: #f8f9fb;
}

/* Table inside a card: blend seamlessly */
.card .table-responsive {
    border-radius: 0 0 var(--sms-radius) var(--sms-radius);
    overflow: hidden;
}

.card > .table-responsive:first-child,
.card-body > .table-responsive:first-child {
    border-radius: var(--sms-radius);
}

/* --------------------------------------------------------------------------
   10. Badges
   -------------------------------------------------------------------------- */
.badge {
    font-weight: 600;
    font-size: 0.71875rem;
    letter-spacing: 0.02em;
    padding: 0.375em 0.75em;
    border-radius: 999px;
}

.badge.bg-primary,
.badge.bg-dark {
    background-color: var(--sms-primary) !important;
    color: #ffffff;
}

.badge.bg-secondary {
    background-color: #eceef1 !important;
    color: var(--sms-text-muted);
}

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

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

.badge.bg-warning {
    background-color: var(--sms-warning-soft) !important;
    color: var(--sms-warning);
}

.badge.bg-info {
    background-color: var(--sms-info-soft) !important;
    color: var(--sms-info);
}

.badge.bg-light {
    background-color: #f2f3f5 !important;
    color: var(--sms-text-muted);
    border: 1px solid var(--sms-border);
}

/* --------------------------------------------------------------------------
   11. Alerts & toasts
   -------------------------------------------------------------------------- */
.alert {
    border: 1px solid transparent;
    border-radius: var(--sms-radius);
    font-size: 0.875rem;
    padding: 0.875rem 1.125rem;
    box-shadow: var(--sms-shadow-sm);
}

.alert-success {
    background: var(--sms-success-soft);
    border-color: #c6ecd4;
    color: #14652f;
}

.alert-danger {
    background: var(--sms-danger-soft);
    border-color: #f6cccc;
    color: #a51d1d;
}

.alert-warning {
    background: var(--sms-warning-soft);
    border-color: #f3ddb3;
    color: #92510a;
}

.alert-info {
    background: var(--sms-info-soft);
    border-color: #c8d9fb;
    color: #1e4fb0;
}

/* --------------------------------------------------------------------------
   12. Pagination
   -------------------------------------------------------------------------- */
.pagination {
    --bs-pagination-color: var(--sms-text-muted);
    --bs-pagination-border-color: var(--sms-border);
    --bs-pagination-hover-color: var(--sms-text);
    --bs-pagination-hover-bg: #f2f3f5;
    --bs-pagination-hover-border-color: var(--sms-border-strong);
    --bs-pagination-focus-color: var(--sms-text);
    --bs-pagination-focus-bg: #f2f3f5;
    --bs-pagination-focus-box-shadow: var(--sms-focus-ring);
    --bs-pagination-active-bg: var(--sms-primary);
    --bs-pagination-active-border-color: var(--sms-primary);
    --bs-pagination-disabled-color: var(--sms-text-faint);
    --bs-pagination-disabled-border-color: var(--sms-border);
    gap: 4px;
}

.pagination .page-link {
    border-radius: var(--sms-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.4375rem 0.8125rem;
}

/* --------------------------------------------------------------------------
   13. Modals, dropdowns, tooltips
   -------------------------------------------------------------------------- */
.modal-content {
    border: 1px solid var(--sms-border);
    border-radius: var(--sms-radius-lg);
    box-shadow: var(--sms-shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--sms-border);
    padding: 1.125rem 1.5rem;
}

.modal-title {
    font-weight: 700;
    letter-spacing: -0.01em;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--sms-border);
    padding: 1rem 1.5rem;
    background: #fafbfc;
    border-bottom-left-radius: var(--sms-radius-lg);
    border-bottom-right-radius: var(--sms-radius-lg);
}

.modal-backdrop.show {
    opacity: 0.35;
}

.dropdown-menu {
    border: 1px solid var(--sms-border);
    border-radius: var(--sms-radius);
    box-shadow: var(--sms-shadow-lg);
    padding: 0.375rem;
    font-size: 0.875rem;
}

.dropdown-item {
    border-radius: var(--sms-radius-sm);
    padding: 0.4375rem 0.75rem;
    font-weight: 500;
    color: var(--sms-text);
    transition: background-color 0.12s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--sms-primary-soft);
    color: var(--sms-text);
}

.dropdown-item.active {
    background: var(--sms-primary);
    color: #ffffff;
}

.dropdown-divider {
    border-color: var(--sms-border);
    margin: 0.375rem 0;
}

.tooltip .tooltip-inner {
    background: var(--sms-primary);
    border-radius: var(--sms-radius-sm);
    font-size: 0.78125rem;
    padding: 0.375rem 0.625rem;
}

/* --------------------------------------------------------------------------
   14. Nav tabs & pills
   -------------------------------------------------------------------------- */
.nav-tabs {
    border-bottom: 1px solid var(--sms-border);
    gap: 0.25rem;
}

.nav-tabs .nav-link {
    color: var(--sms-text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    border: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
    padding: 0.625rem 1rem;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-tabs .nav-link:hover {
    color: var(--sms-text);
    border-bottom-color: var(--sms-border-strong);
}

.nav-tabs .nav-link.active {
    color: var(--sms-primary);
    background: transparent;
    border-bottom-color: var(--sms-primary);
}

.nav-pills .nav-link {
    color: var(--sms-text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--sms-radius-sm);
}

.nav-pills .nav-link.active {
    background: var(--sms-primary);
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   15. List groups, breadcrumbs, progress, spinners
   -------------------------------------------------------------------------- */
.list-group {
    border-radius: var(--sms-radius);
}

.list-group-item {
    border-color: var(--sms-border);
    padding: 0.875rem 1.125rem;
    font-size: 0.875rem;
    transition: background-color 0.12s ease;
}

.list-group-item-action:hover {
    background: #f8f9fb;
}

.list-group-item.active {
    background: var(--sms-primary);
    border-color: var(--sms-primary);
}

.breadcrumb {
    font-size: 0.8125rem;
    margin-bottom: 1rem;
}

.breadcrumb-item a {
    color: var(--sms-text-muted);
    font-weight: 500;
}

.breadcrumb-item a:hover {
    color: var(--sms-primary);
}

.breadcrumb-item.active {
    color: var(--sms-text);
    font-weight: 600;
}

.progress {
    border-radius: 999px;
    background: #eceef1;
    height: 0.5rem;
}

.progress-bar {
    background-color: var(--sms-primary);
    border-radius: 999px;
}

.text-primary {
    color: var(--sms-primary) !important;
}

.bg-primary {
    background-color: var(--sms-primary) !important;
}

.border-primary {
    border-color: var(--sms-primary) !important;
}

.spinner-border.text-primary,
.spinner-grow.text-primary {
    color: var(--sms-primary) !important;
}

/* --------------------------------------------------------------------------
   16. Images & media previews
   -------------------------------------------------------------------------- */
.img-thumbnail {
    border: 1px solid var(--sms-border);
    border-radius: var(--sms-radius-sm);
    padding: 0.1875rem;
    background: var(--sms-surface);
    box-shadow: var(--sms-shadow-sm);
}

.card-img-top {
    border-top-left-radius: var(--sms-radius);
    border-top-right-radius: var(--sms-radius);
}

/* --------------------------------------------------------------------------
   17. Auth pages (login / signup) — centered card look
   -------------------------------------------------------------------------- */
.auth-wrapper {
    min-height: calc(100vh - var(--sms-topbar-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    border-radius: var(--sms-radius-lg);
    box-shadow: var(--sms-shadow-lg);
    border: 1px solid var(--sms-border);
}

/* --------------------------------------------------------------------------
   18. Utility touches
   -------------------------------------------------------------------------- */
.shadow-sm { box-shadow: var(--sms-shadow-sm) !important; }
.shadow { box-shadow: var(--sms-shadow) !important; }
.shadow-lg { box-shadow: var(--sms-shadow-lg) !important; }

.rounded { border-radius: var(--sms-radius-sm) !important; }
.rounded-3 { border-radius: var(--sms-radius) !important; }
.rounded-4 { border-radius: var(--sms-radius-lg) !important; }

hr {
    border-color: var(--sms-border);
    opacity: 1;
}

/* Subtle fade-in for page content */
@keyframes sms-fade-in {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.app-main > .container {
    animation: sms-fade-in 0.25s ease-out;
}

/* --------------------------------------------------------------------------
   19. Responsive tweaks
   -------------------------------------------------------------------------- */
@media (max-width: 991.98px) {
    .app-sidebar {
        width: 100%;
        min-height: auto;
        border-right: none;
        border-bottom: 1px solid var(--sms-border);
    }

    .app-sidebar .nav {
        flex-direction: row !important;
        flex-wrap: wrap;
        padding: 0.625rem 0.75rem;
    }

    .app-sidebar .nav-item {
        margin-bottom: 0 !important;
    }

    .app-shell {
        flex-direction: column;
    }
}