/* ==========================================
   OTR Cap Posting – Premium Frontend Styles
   ========================================== */

/* ── CSS Variables ── */
:root {
    --otr-primary: #4f46e5;
    --otr-primary-light: #6366f1;
    --otr-primary-pale: #eef2ff;
    --otr-success: #10b981;
    --otr-warning: #f59e0b;
    --otr-danger: #ef4444;
    --otr-gray-50: #f8fafc;
    --otr-gray-100: #f1f5f9;
    --otr-gray-200: #e2e8f0;
    --otr-gray-300: #cbd5e1;
    --otr-gray-500: #64748b;
    --otr-gray-700: #334155;
    --otr-gray-900: #0f172a;
    --otr-radius: 12px;
    --otr-radius-sm: 8px;
    --otr-shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);
    --otr-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);
    --otr-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .04);
    --otr-transition: .2s cubic-bezier(.4, 0, .2, 1);
}

/* ── Account Menu Sidebar ── */
.otr-sidebar .card,
aside.col-md-3>.card {
    border: none;
    border-radius: var(--otr-radius);
    background: linear-gradient(135deg, #fff 0%, var(--otr-gray-50) 100%);
    box-shadow: var(--otr-shadow-md);
    overflow: hidden;
}

aside.col-md-3>.text-center {
    background: linear-gradient(135deg, var(--otr-primary) 0%, var(--otr-primary-light) 100%);
    padding: 24px 16px 20px;
    border-radius: var(--otr-radius) var(--otr-radius) 0 0;
    margin-bottom: 0 !important;
}

aside.col-md-3>.text-center .fw-semibold {
    color: #fff;
    font-size: 15px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .15);
}

aside.col-md-3>.text-center .rounded-circle {
    border: 3px solid rgba(255, 255, 255, .5);
    box-shadow: 0 2px 8px rgba(0, 0, 0, .2);
}

/* Nav items inside sidebar */
aside.col-md-3 .nav.flex-column .menu-item a,
aside.col-md-3 .nav.flex-column .nav-item .nav-link,
aside.col-md-3 .nav.flex-column>li>a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    color: var(--otr-gray-700);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all var(--otr-transition);
}

aside.col-md-3 .nav.flex-column .menu-item a:hover,
aside.col-md-3 .nav.flex-column .nav-item .nav-link:hover,
aside.col-md-3 .nav.flex-column>li>a:hover {
    background: var(--otr-primary-pale);
    color: var(--otr-primary);
    border-left-color: var(--otr-primary);
}

aside.col-md-3 .nav.flex-column .current-menu-item>a,
aside.col-md-3 .nav.flex-column .nav-item .nav-link.active {
    background: var(--otr-primary-pale);
    color: var(--otr-primary);
    border-left-color: var(--otr-primary);
    font-weight: 600;
}

aside.col-md-3 .nav.flex-column .menu-item a i,
aside.col-md-3 .nav.flex-column .nav-item .nav-link i,
aside.col-md-3 .nav.flex-column>li>a i {
    width: 20px;
    text-align: center;
    font-size: 15px;
    opacity: .75;
    flex-shrink: 0;
}

aside.col-md-3 .nav.flex-column .menu-item a:hover i,
aside.col-md-3 .nav.flex-column .current-menu-item>a i {
    opacity: 1;
}

aside.col-md-3 .nav.flex-column .dropdown-divider,
aside.col-md-3 .nav.flex-column hr {
    margin: 4px 16px;
    border-color: var(--otr-gray-200);
}

/* ── Cards (content area) ── */
.container .card {
    border: 1px solid var(--otr-gray-200);
    border-radius: var(--otr-radius);
    box-shadow: var(--otr-shadow);
    transition: box-shadow var(--otr-transition);
}

.container .card:hover {
    box-shadow: var(--otr-shadow-md);
}

.container .card .card-header {
    background: var(--otr-gray-50);
    border-bottom: 1px solid var(--otr-gray-200);
    border-radius: var(--otr-radius) var(--otr-radius) 0 0 !important;
}

.container .card .card-body {
    padding: 20px;
}

/* ── Tab navigation ── */
.nav-tabs {
    border-bottom: 2px solid var(--otr-gray-200);
    gap: 2px;
    padding: 0 12px;
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--otr-gray-500);
    font-weight: 500;
    font-size: 14px;
    padding: 12px 16px;
    transition: all var(--otr-transition);
    border-radius: 0;
}

.nav-tabs .nav-link:hover {
    color: var(--otr-primary);
    border-bottom-color: var(--otr-primary-light);
    background: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--otr-primary);
    border-bottom-color: var(--otr-primary);
    background: transparent;
    font-weight: 600;
}

/* ── Buttons ── */
.container .btn-primary {
    background: linear-gradient(135deg, var(--otr-primary) 0%, var(--otr-primary-light) 100%);
    border: none;
    border-radius: var(--otr-radius-sm);
    font-weight: 500;
    font-size: 14px;
    padding: 8px 18px;
    box-shadow: 0 1px 3px rgba(79, 70, 229, .3);
    transition: all var(--otr-transition);
}

.container .btn-primary:hover {
    box-shadow: 0 4px 12px rgba(79, 70, 229, .35);
    transform: translateY(-1px);
}

.container .btn-outline-secondary {
    border-radius: var(--otr-radius-sm);
    font-weight: 500;
    font-size: 14px;
    border-color: var(--otr-gray-300);
    color: var(--otr-gray-700);
    transition: all var(--otr-transition);
}

.container .btn-outline-secondary:hover {
    background: var(--otr-gray-100);
    border-color: var(--otr-gray-500);
}

.container .btn-outline-danger {
    border-radius: var(--otr-radius-sm);
}

/* ── Form controls ── */
.container .form-control,
.container .form-select {
    border-radius: var(--otr-radius-sm);
    border-color: var(--otr-gray-300);
    font-size: 14px;
    padding: 9px 12px;
    transition: border-color var(--otr-transition), box-shadow var(--otr-transition);
}

.container .form-control:focus,
.container .form-select:focus {
    border-color: var(--otr-primary-light);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, .15);
}

.container .form-label {
    font-weight: 600;
    font-size: 13px;
    color: var(--otr-gray-700);
    margin-bottom: 6px;
}

.container .form-text {
    font-size: 12px;
    color: var(--otr-gray-500);
}

/* ── Alerts ── */
.container .alert {
    border-radius: var(--otr-radius-sm);
    border: none;
    font-size: 14px;
    padding: 12px 16px;
}

.container .alert-success {
    background: #ecfdf5;
    color: #065f46;
}

.container .alert-danger {
    background: #fef2f2;
    color: #991b1b;
}

.container .alert-primary {
    background: var(--otr-primary-pale);
    color: var(--otr-primary);
}

/* ── Chapter List ── */
.container .list-group-item {
    border-color: var(--otr-gray-200);
    padding: 14px 16px;
    transition: background var(--otr-transition);
}

.container .list-group-item:hover {
    background: var(--otr-gray-50);
}

.container .list-group-item .fw-bold a {
    color: var(--otr-gray-900);
    transition: color var(--otr-transition);
}

.container .list-group-item .fw-bold a:hover {
    color: var(--otr-primary);
}

/* ── Story cards in list ── */
.user-item {
    transition: background var(--otr-transition);
    border-radius: var(--otr-radius-sm);
}

.user-item:hover {
    background: var(--otr-gray-50);
}

.user-eye {
    color: var(--otr-success);
}

.user-eye i {
    font-size: 20px;
    line-height: 1;
    display: block;
}

.user-item+.user-item {
    border-top: 1px solid var(--otr-gray-200);
}

/* ── Category checkbox grid ── */
.otr-cat-label {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border: 1px solid var(--otr-gray-200);
    border-radius: var(--otr-radius-sm);
    cursor: pointer;
    transition: all var(--otr-transition);
    font-size: 13px;
    height: 100%;
    background: #fff;
}

.otr-cat-label:hover {
    background: var(--otr-gray-50);
    border-color: var(--otr-gray-300);
}

.otr-cat-label.checked {
    border-color: var(--otr-primary);
    background: var(--otr-primary-pale);
    color: var(--otr-primary);
    font-weight: 600;
    box-shadow: 0 0 0 1px var(--otr-primary);
}

.otr-cat-label input {
    margin-right: 8px;
    flex-shrink: 0;
    accent-color: var(--otr-primary);
}

.otr-scroll-panel {
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--otr-gray-300) transparent;
}

.otr-scroll-panel::-webkit-scrollbar {
    width: 5px;
}

.otr-scroll-panel::-webkit-scrollbar-thumb {
    background: var(--otr-gray-300);
    border-radius: 3px;
}

/* ── Pagination ── */
.container .pagination .page-item .page-link {
    border-radius: var(--otr-radius-sm);
    margin: 0 3px;
    border: 1px solid var(--otr-gray-200);
    color: var(--otr-gray-700);
    font-size: 13px;
    transition: all var(--otr-transition);
}

.container .pagination .page-item.active .page-link,
.container .pagination .page-item .page-link .current {
    background: var(--otr-primary);
    border-color: var(--otr-primary);
    color: #fff;
}

.container .pagination .page-item .page-link:hover {
    background: var(--otr-primary-pale);
    border-color: var(--otr-primary-light);
    color: var(--otr-primary);
}

/* ── Modal ── */
.modal-content {
    border-radius: var(--otr-radius);
    border: none;
    box-shadow: var(--otr-shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--otr-gray-200);
    padding: 16px 20px;
}

.modal-footer {
    border-top: 1px solid var(--otr-gray-200);
    padding: 12px 20px;
}

.modal-title {
    font-weight: 700;
    font-size: 16px;
    color: var(--otr-gray-900);
}

/* ── Accordion (bulk chapter guide) ── */
.container .accordion-item {
    border-radius: var(--otr-radius-sm) !important;
    border-color: var(--otr-gray-200);
    overflow: hidden;
}

.container .accordion-button {
    font-weight: 600;
    font-size: 14px;
    color: var(--otr-gray-700);
    padding: 12px 16px;
}

.container .accordion-button:not(.collapsed) {
    background: var(--otr-primary-pale);
    color: var(--otr-primary);
    box-shadow: none;
}

/* ── Image preview card ── */
aside.col-md-4 .card,
.col-md-4>.card {
    border-radius: var(--otr-radius);
    overflow: hidden;
}

/* ── Back link card ── */
.container>.card.card-body:first-child a,
.container>.card.card-body.mb-3 a {
    color: var(--otr-gray-700);
    font-weight: 500;
    font-size: 14px;
}

.container>.card.card-body:first-child a:hover,
.container>.card.card-body.mb-3 a:hover {
    color: var(--otr-primary);
}

/* ── Status badges ── */
.otr-approved,
.badge-publish {
    color: var(--otr-success);
}

.otr-pending,
.badge-pending {
    color: var(--otr-warning);
}

.otr-draft,
.badge-draft {
    color: var(--otr-gray-500);
}

/* ── Checkbox toggle ── */
.form-check-input:checked {
    background-color: var(--otr-primary);
    border-color: var(--otr-primary);
}

/* ── Stats list ── */
#tab-stats .list-group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#tab-stats .list-group-item strong {
    color: var(--otr-gray-700);
    font-size: 14px;
}

/* ── Responsive ── */
@media (max-width: 767.98px) {
    aside.col-md-3>.text-center {
        border-radius: var(--otr-radius) var(--otr-radius) 0 0;
    }

    .container .card .card-body {
        padding: 14px;
    }

    .nav-tabs .nav-link {
        padding: 10px 10px;
        font-size: 13px;
    }
}

/* ── Join / Author page ── */
.otr-join-wrap {
    max-width: 900px;
    margin: 24px auto;
    padding: 0 12px;
}

.otr-join-note {
    background: linear-gradient(135deg, var(--otr-primary) 0%, var(--otr-primary-light) 100%);
    color: #fff;
    padding: 20px 24px;
    border-radius: var(--otr-radius);
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(79, 70, 229, .25);
}

.otr-join-note a {
    color: #fff;
    text-decoration: underline;
    font-weight: 500;
}

.otr-join-btn {
    background: linear-gradient(135deg, #ec4899 0%, #f472b6 100%);
    border: none;
    border-radius: var(--otr-radius);
    padding: 12px 24px;
    font-weight: 600;
    cursor: pointer;
    color: #fff;
    box-shadow: 0 2px 8px rgba(236, 72, 153, .3);
    transition: all var(--otr-transition);
}

.otr-join-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(236, 72, 153, .4);
}