:root {
    --pix-primary: #6366f1;
    --pix-primary-rgb: 99, 102, 241;
    --pix-success: #22c55e;
    --pix-warning: #f59e0b;
    --pix-danger: #ef4444;
    --pix-info: #0ea5e9;
    --pix-border: #e5e7eb;
    --pix-muted: #6b7280;
    --pix-bg: #f5f7fb;
    --pix-sidebar: #ffffff;
    --pix-card: #ffffff;
    --pix-text: #111827;
    --pix-shadow: 0 10px 30px rgba(15, 23, 42, .06);
    --pix-radius: 1rem;
}

[data-bs-theme="dark"] {
    --pix-bg: #0f172a;
    --pix-sidebar: #111827;
    --pix-card: #111827;
    --pix-border: rgba(148, 163, 184, .22);
    --pix-muted: #9ca3af;
    --pix-text: #e5e7eb;
    --pix-shadow: 0 16px 40px rgba(0, 0, 0, .22);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    background: var(--pix-bg);
    color: var(--pix-text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
}

a { color: var(--pix-primary); }

.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.86);
    transition: opacity .18s ease, visibility .18s ease;
}
[data-bs-theme="dark"] .loading-screen { background: rgba(15,23,42,.88); }
.loading-screen.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.admin-wrapper { min-height: 100vh; }
.admin-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    height: 64px;
}
.admin-header .navbar {
    height: 64px;
    box-shadow: 0 1px 0 rgba(15,23,42,.04);
}
[data-bs-theme="dark"] .admin-header .navbar { background: #111827 !important; }
.navbar-brand img { max-width: 160px; }

.hamburger-menu {
    width: 42px;
    height: 42px;
    border: 1px solid var(--pix-border);
    border-radius: .75rem;
    background: var(--pix-card);
    color: var(--pix-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    transition: .16s ease;
}
.hamburger-menu:hover { border-color: rgba(var(--pix-primary-rgb), .4); color: var(--pix-primary); }

.search-container .form-control,
.form-control,
.form-select {
    border-radius: .8rem;
    border-color: var(--pix-border);
    min-height: 42px;
}
.form-control:focus,
.form-select:focus {
    border-color: rgba(var(--pix-primary-rgb), .45);
    box-shadow: 0 0 0 .2rem rgba(var(--pix-primary-rgb), .12);
}

.admin-sidebar {
    position: fixed;
    top: 64px;
    bottom: 0;
    left: 0;
    z-index: 1020;
    width: 280px;
    background: var(--pix-sidebar);
    border-right: 1px solid var(--pix-border);
    transition: transform .2s ease, width .2s ease;
    overflow-y: auto;
}
.sidebar-content { padding: 1rem .85rem; }
.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: .75rem;
    min-height: 42px;
    padding: .65rem .75rem;
    margin-bottom: .15rem;
    border-radius: .85rem;
    color: var(--pix-muted);
    font-weight: 600;
    text-decoration: none;
    transition: .16s ease;
}
.sidebar-nav .nav-link i { width: 1.25rem; font-size: 1.08rem; }
.sidebar-nav .nav-link:hover {
    background: rgba(var(--pix-primary-rgb), .08);
    color: var(--pix-primary);
}
.sidebar-nav .nav-link.active {
    background: linear-gradient(135deg, rgba(var(--pix-primary-rgb), .16), rgba(34,197,94,.10));
    color: var(--pix-primary);
}
.sidebar-nav .nav-link.disabled { opacity: .55; }

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 64px 0 0 0;
    background: rgba(15,23,42,.38);
    z-index: 1010;
}

.admin-main {
    padding-top: 64px;
    margin-left: 280px;
    min-height: 100vh;
    transition: margin-left .2s ease;
}

.sidebar-collapsed .admin-sidebar { width: 86px; }
.sidebar-collapsed .admin-main { margin-left: 86px; }
.sidebar-collapsed .sidebar-nav .nav-link span,
.sidebar-collapsed .sidebar-nav small,
.sidebar-collapsed .sidebar-nav .badge { display: none; }
.sidebar-collapsed .sidebar-nav .nav-link { justify-content: center; }

.page-title,
h1.page-title {
    font-weight: 800;
    letter-spacing: -.035em;
    color: var(--pix-text);
}
.small-muted { font-size: .86rem; color: var(--pix-muted); }

.card,
.stat-card,
.table-card {
    background: var(--pix-card);
    border: 1px solid var(--pix-border);
    border-radius: var(--pix-radius);
    box-shadow: var(--pix-shadow);
}
.stat-card { padding: 1.15rem; }
.table-card { overflow: hidden; }
.table-card .table { margin-bottom: 0; }

.stats-card {
    border: 1px solid var(--pix-border);
    border-radius: var(--pix-radius);
    box-shadow: var(--pix-shadow);
}
.stats-icon,
.activity-icon {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    font-size: 1.25rem;
}
.display-6 { font-weight: 800; letter-spacing: -.04em; }

.table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(99,102,241,.035);
    color: var(--pix-text);
}
.table thead th {
    color: var(--pix-muted);
    font-size: .76rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    font-weight: 750;
    background: rgba(148, 163, 184, .08);
    border-bottom-color: var(--pix-border);
}
.table td,
.table th { border-color: var(--pix-border); vertical-align: middle; }
.table-hover tbody tr:hover { --bs-table-hover-bg: rgba(99,102,241,.05); }
.table-url { max-width: 520px; }

.badge-soft {
    background: rgba(99,102,241,.08);
    color: var(--pix-primary);
    border: 1px solid rgba(99,102,241,.18);
}
.btn { border-radius: .8rem; font-weight: 650; }
.btn-primary {
    --bs-btn-bg: var(--pix-primary);
    --bs-btn-border-color: var(--pix-primary);
    --bs-btn-hover-bg: #4f46e5;
    --bs-btn-hover-border-color: #4f46e5;
}
.btn-outline-primary { --bs-btn-color: var(--pix-primary); --bs-btn-border-color: rgba(var(--pix-primary-rgb), .45); }

.nav-tabs {
    border: 0;
    gap: .35rem;
}
.nav-tabs .nav-link {
    border: 1px solid var(--pix-border);
    border-radius: .8rem;
    background: var(--pix-card);
    color: var(--pix-muted);
    font-weight: 700;
}
.nav-tabs .nav-link.active {
    background: var(--pix-primary);
    color: white;
    border-color: var(--pix-primary);
}

/* Default Nette form renderer polish */
form table { width: 100%; }
form table th,
form table td { display: block; width: 100%; padding: .25rem 0; }
form table th { color: var(--pix-muted); font-size: .84rem; font-weight: 700; }
form input[type="text"],
form input[type="email"],
form input[type="password"],
form input[type="number"],
form select,
form textarea {
    display: block;
    width: 100%;
    min-height: 42px;
    padding: .55rem .75rem;
    border: 1px solid var(--pix-border);
    border-radius: .8rem;
    background: var(--pix-card);
    color: var(--pix-text);
}
form input[type="checkbox"] { margin-right: .45rem; }
form input[type="submit"],
form button[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: .55rem 1rem;
    border: 1px solid var(--pix-primary);
    border-radius: .8rem;
    background: var(--pix-primary);
    color: white;
    font-weight: 700;
}
form .error,
form .errors { color: var(--pix-danger); }

.login-layout {
    min-height: 100vh;
    background:
        radial-gradient(circle at 20% 20%, rgba(99,102,241,.22), transparent 28rem),
        radial-gradient(circle at 80% 0%, rgba(34,197,94,.16), transparent 26rem),
        var(--pix-bg);
}
.login-main { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem; }
.login-shell { width: 100%; max-width: 440px; }
.login-card { border-radius: 1.35rem; overflow: hidden; }
.login-alert { position: fixed; top: 1rem; left: 50%; transform: translateX(-50%); z-index: 5; min-width: 320px; }

@media (max-width: 991.98px) {
    .admin-sidebar { transform: translateX(-100%); width: 280px; }
    .admin-main { margin-left: 0; }
    .sidebar-open .admin-sidebar { transform: translateX(0); }
    .sidebar-open .sidebar-backdrop { display: block; }
    .sidebar-collapsed .admin-sidebar { width: 280px; }
    .sidebar-collapsed .admin-main { margin-left: 0; }
    .sidebar-collapsed .sidebar-nav .nav-link span,
    .sidebar-collapsed .sidebar-nav small,
    .sidebar-collapsed .sidebar-nav .badge { display: inline; }
    .sidebar-collapsed .sidebar-nav .nav-link { justify-content: flex-start; }
}

@media (max-width: 575.98px) {
    .admin-main .container-fluid { padding: 1rem !important; }
    .navbar-brand img { max-width: 132px; }
    .table-card { border-radius: .85rem; }
}