/* Modern SaaS Blog Theme */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.04);
    --radius: 12px;
    --radius-sm: 8px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    padding-top: 72px;
}

/* Navbar */
.navbar-modern {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: .75rem 0;
    backdrop-filter: blur(10px);
}
.navbar-modern .navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary) !important;
    letter-spacing: -0.02em;
}
.navbar-modern .navbar-brand small {
    font-weight: 400;
    font-size: .8rem;
    color: var(--text-muted);
    margin-left: .5rem;
}
.navbar-modern .nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    font-size: .9rem;
    padding: .5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: all .2s;
}
.navbar-modern .nav-link:hover,
.navbar-modern .nav-link.active {
    color: var(--primary) !important;
    background: rgba(99,102,241,.06);
}

/* Cards */
.card-modern {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: box-shadow .2s, transform .2s;
    overflow: hidden;
    margin-bottom: 1.5rem;
}
.card-modern:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.card-modern .card-header-modern {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: transparent;
}
.card-modern .card-header-modern h3 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}
.card-modern .card-header-modern h3 a {
    color: var(--text);
    text-decoration: none;
    transition: color .2s;
}
.card-modern .card-header-modern h3 a:hover {
    color: var(--primary);
}
.card-modern .card-body-modern {
    padding: 1.5rem;
}
.card-modern .card-footer-modern {
    padding: .75rem 1.5rem;
    border-top: 1px solid var(--border);
    background: #fafbfc;
    font-size: .85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Sidebar */
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 1.5rem;
}
.sidebar-card .sidebar-title {
    padding: .875rem 1.25rem;
    font-weight: 600;
    font-size: .9rem;
    color: var(--text);
    background: linear-gradient(135deg, rgba(99,102,241,.04), rgba(99,102,241,.08));
    border-bottom: 1px solid var(--border);
    margin: 0;
}
.sidebar-card .list-group-item {
    border: none;
    border-bottom: 1px solid var(--border);
    padding: .7rem 1.25rem;
    font-size: .875rem;
    color: var(--text-muted);
    transition: all .15s;
}
.sidebar-card .list-group-item:last-child { border-bottom: none; }
.sidebar-card .list-group-item:hover,
.sidebar-card .list-group-item.active {
    background: rgba(99,102,241,.05);
    color: var(--primary);
}
.sidebar-card a { text-decoration: none; }

/* Buttons */
.btn-modern {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: .9rem;
    padding: .5rem 1.25rem;
    transition: all .2s;
    box-shadow: 0 1px 2px rgba(99,102,241,.3);
}
.btn-modern:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(99,102,241,.3);
}
.btn-outline-modern {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: .9rem;
    padding: .5rem 1.25rem;
    transition: all .2s;
}
.btn-outline-modern:hover {
    background: var(--primary);
    color: #fff;
}
.btn-danger-modern {
    background: #ef4444;
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: .9rem;
    padding: .5rem 1.25rem;
    transition: all .2s;
}
.btn-danger-modern:hover {
    background: #dc2626;
    color: #fff;
}

/* Search */
.search-modern {
    position: relative;
}
.search-modern input {
    border-radius: 50px !important;
    padding-left: 1rem;
    padding-right: 2.5rem;
    border: 1px solid var(--border);
    background: var(--bg);
    font-size: .875rem;
    height: 38px;
    transition: all .2s;
}
.search-modern input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(99,102,241,.1);
    background: #fff;
}
.search-modern button {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
}

/* Forms */
.form-modern .form-control {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    padding: .625rem 1rem;
    font-size: .9rem;
    transition: all .2s;
}
.form-modern .form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(99,102,241,.1);
}
.form-modern .form-label {
    font-weight: 500;
    font-size: .875rem;
    color: var(--text);
    margin-bottom: .375rem;
}

/* Auth pages */
.auth-container {
    max-width: 420px;
    margin: 2rem auto;
}
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
}
.auth-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text);
}
.auth-card .btn-primary {
    background: var(--primary);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    padding: .75rem;
    font-size: 1rem;
    transition: all .2s;
}
.auth-card .btn-primary:hover {
    background: var(--primary-dark);
}

/* Tables */
.table-modern {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.table-modern table {
    margin-bottom: 0;
}
.table-modern thead th {
    background: linear-gradient(135deg, rgba(99,102,241,.04), rgba(99,102,241,.08));
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    font-size: .85rem;
    color: var(--text);
    padding: .875rem 1rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}
.table-modern tbody td {
    padding: .75rem 1rem;
    font-size: .9rem;
    vertical-align: middle;
    border-color: var(--border);
}
.table-modern tbody tr:hover {
    background: rgba(99,102,241,.02);
}

/* Pagination */
.pagination-modern .page-item .page-link {
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: var(--radius-sm) !important;
    margin: 0 3px;
    font-size: .875rem;
    font-weight: 500;
    padding: .375rem .75rem;
    transition: all .15s;
}
.pagination-modern .page-item .page-link:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.pagination-modern .page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.pagination-modern .page-item.disabled .page-link {
    color: #cbd5e1;
    background: #f8fafc;
}

/* Footer */
.footer-modern {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-muted);
    font-size: .8rem;
    margin-top: 3rem;
    border-top: 1px solid var(--border);
}
.footer-modern a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color .15s;
}
.footer-modern a:hover {
    color: var(--primary);
}

/* Badges */
.badge-modern {
    background: rgba(99,102,241,.1);
    color: var(--primary);
    font-weight: 500;
    font-size: .75rem;
    padding: .35em .65em;
    border-radius: 6px;
}
.badge-status-publish {
    background: rgba(34,197,94,.1);
    color: #16a34a;
}
.badge-status-draft {
    background: rgba(234,179,8,.1);
    color: #ca8a04;
}

/* Modal */
.modal-content {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}
.modal-header {
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
}
.modal-body {
    padding: 1.5rem;
}
.modal-footer {
    border-top: 1px solid var(--border);
    padding: 1rem 1.5rem;
}

/* Markdown content */
#panel-body img,
.vditor-reset img {
    max-width: 100%;
    border-radius: var(--radius-sm);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}
.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    opacity: .5;
}
.empty-state p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Admin sidebar nav (active item in top nav) */
.admin-nav .nav-link.active-nav {
    color: var(--primary) !important;
    background: rgba(99,102,241,.08);
}

/* Checkbox & Radio modern */
.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* Vditor overrides */
.vditor {
    border-radius: var(--radius) !important;
    border: 1px solid var(--border) !important;
}

/* Smooth scrolling */
html { scroll-behavior: smooth; }

/* Selection */
::selection {
    background: rgba(99,102,241,.2);
}

/* Responsive */
@media (max-width: 768px) {
    body { padding-top: 60px; }
    .card-modern .card-body-modern { padding: 1rem; }
    #panel-body img { width: 100%; }
}