html {
    color-scheme: dark;
}

html[data-bs-theme="dark"],
html[data-bs-theme="dark"] body {
    --bs-body-bg: var(--bg);
    --bs-body-color: var(--fg);
    --bs-emphasis-color: var(--fg);
    --bs-secondary-color: var(--muted);
}

.form-control,
.form-select,
.btn {
    color-scheme: dark;
}

:root{
    --bg:#0f1220;
    --bg2:#0a0d18;
    --fg:#e7e9ee;
    --muted:#a6b0c3;
    --accent:#6bd5ff;
    --accent2:#b388ff;
    --ok:#7df19a;
    --card-bg1: rgba(255,255,255,.08);
    --card-bg2: rgba(255,255,255,.04);
    --border: rgba(255,255,255,.12);
    --glass: rgba(255,255,255,.10);
    --footer-height: 60px;
}

*{ box-sizing:border-box; }
html{ height:100%; font-size:16px; }
html, body{ scroll-behavior:smooth; }

body{
    min-height:100vh;
    margin:0;
    padding-bottom: var(--footer-height);
    position: relative;
    color:var(--fg);
    background: radial-gradient(1200px 800px at 20% 10%, #18203a 0%, var(--bg) 55%, var(--bg2) 100%) fixed;
    font:16px/1.6 system-ui, Segoe UI, Roboto, Arial, sans-serif;
    overflow-x:hidden;
}

h1,h2,h3,h4{ margin-top:.2rem; margin-bottom:.6rem; line-height:1.2; }
h1{
    font-size:clamp(28px,4vw,48px);
    background:linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip:text; background-clip:text; color:transparent;
}
p, .text-muted{ color:var(--muted) }
a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* === Navbar === */
.navbar{
    --bs-navbar-color: var(--fg);
    --bs-navbar-hover-color: var(--accent);
    background: rgba(15,18,32,.98);
    border-bottom:1px solid var(--border);
    box-shadow:0 4px 12px rgba(0,0,0,.3);
}
.glass-nav{
    background: rgba(15,18,32,.98) !important;
    border-bottom:1px solid var(--border);
    box-shadow:0 4px 12px rgba(0,0,0,.3);
    --bs-navbar-color: rgba(231,233,238,.92);
    --bs-navbar-hover-color: var(--accent);
    --bs-navbar-active-color: #fff;
    --bs-navbar-brand-color: #fff;
    --bs-navbar-brand-hover-color: var(--accent);
}

.glass-nav .navbar-nav .nav-link{
    color: rgba(231,233,238,.92) !important;
    font-weight: 600;
}
.glass-nav .navbar-nav .nav-link:hover{
    color: var(--accent) !important;
}

.glass-nav .navbar-nav .nav-link.active,
.glass-nav .navbar-nav .nav-link[aria-current="page"]{
    color:#fff !important;
    position:relative;
}
.glass-nav .navbar-nav .nav-link.active::after,
.glass-nav .navbar-nav .nav-link[aria-current="page"]::after{
    content:""; position:absolute; left:.5rem; right:.5rem; bottom:-.55rem;
    height:2px; border-radius:2px;
    background:linear-gradient(90deg, var(--accent), var(--accent2));
    opacity:.9;
}

@media (max-width: 576px){
    .glass-nav .navbar-collapse{
        background: rgba(255,255,255,.06);
        border:1px solid var(--border);
        border-radius:12px;
        padding:.5rem;
    }
}
.navbar-brand{
    font-weight:700;
    letter-spacing:.3px;
    background:linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* === Footer - FIXED NA DOLE === */
footer{
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--footer-height);
    border-top:1px solid var(--border)!important;
    color:var(--muted);
    background: rgba(10,13,24,.98);
    z-index: 999;
    display: flex;
    align-items: center;
}

footer .container {
    padding: 0;
}

/* === Container === */
.container, .container-fluid{
    padding-top:18px;
    padding-bottom:24px;
}

.card, .panel, .glass{
    background: rgba(15,18,32,.92);
    border:1px solid var(--border);
    border-radius:18px;
    box-shadow:0 8px 24px rgba(0,0,0,.3);
}
.card{ overflow:hidden; }
.card-header{ background:rgba(255,255,255,.04); border-bottom:1px solid var(--border); }

.main-block{
    max-width: 1200px;
    width: 100%;
    margin: 0 auto 2rem;
    padding:24px;
}
@media (max-width:820px){ .main-block{ padding:18px; } }

/* === Buttons === */
.btn{
    border:1px solid rgba(255,255,255,.18) !important;
    background:linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.05)) !important;
    color:var(--fg) !important;
    padding:.625rem .9rem; border-radius:12px !important; font-weight:700;
    transition:transform .08s ease, box-shadow .15s ease;
}
.btn:hover{ transform:translateY(-1px); box-shadow:0 6px 16px rgba(0,0,0,.25) }
.btn:active{ transform:translateY(0) scale(.99) }
.btn-primary{
    background:linear-gradient(180deg, rgba(107,213,255,.35), rgba(107,213,255,.18)) !important;
    border-color:rgba(107,213,255,.45) !important;
    color:#071018 !important;
}
.btn-outline-primary{
    background:transparent !important;
    border-color:rgba(107,213,255,.45) !important;
    color:var(--accent) !important;
}
.btn-link{ color:var(--accent) !important; }

.btn:focus, .form-control:focus, .form-check-input:focus{
    box-shadow:0 0 0 0.15rem rgba(255,255,255,.9), 0 0 0 0.35rem var(--accent) !important;
    outline:0;
}

/* === Forms === */
.form-control, .form-select{
    background:rgba(255,255,255,.06);
    border:1px solid var(--border);
    color:var(--fg);
    border-radius:12px;
}
.form-control::placeholder{ color:rgba(230,232,238,.6); }

/* === Utility === */
.pill{
    display:inline-flex; align-items:center; gap:.5rem;
    padding:.45rem .8rem; border-radius:999px;
    border:1px solid var(--border); background:rgba(255,255,255,.05);
    font-weight:600; color:var(--fg);
}
.ok{ color:var(--ok) }
.muted{ color:var(--muted) }
.title-gradient{
    background:linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* === Table === */
.table{
    --tbl-border: rgba(255,255,255,.12);
    color:var(--fg);
    border-color:var(--border);
}
.table thead th{
    color:var(--muted);
    border-bottom:1px solid var(--border);
}
.table tbody tr{
    background:rgba(255,255,255,.02);
    border-top:1px solid var(--tbl-border);
}
.table tbody tr:hover{ background:rgba(255,255,255,.05); }

/* === Modal === */
.modal-content {
    background: rgba(12,15,26,.98);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    color: var(--fg);
}

.modal-header {
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid var(--border);
    border-radius: 18px 18px 0 0;
}

.modal-title {
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
}

.modal-footer {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border);
    border-radius: 0 0 18px 18px;
}

.modal-body {
    padding: 1.5rem;
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.8;
}

.btn-close:hover {
    opacity: 1;
}

/* === Modal - Channel List Specific Styles === */
.modal-body .channel-list-item {
    padding: 0.75rem;
    border-radius: 12px;
    transition: background-color 0.1s ease, border-color 0.1s ease;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.modal-body .channel-list-item:hover:not(.disabled) {
    background-color: rgba(107, 213, 255, 0.08);
    border-color: rgba(107, 213, 255, 0.2);
}

.modal-body .channel-list-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.modal-body .channel-checkbox {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
    width: 1.25em;
    height: 1.25em;
    margin: 0;
    flex-shrink: 0;
    cursor: pointer;
}

.modal-body .channel-checkbox:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

.modal-body .channel-checkbox:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.modal-body .channel-label {
    cursor: pointer;
    color: var(--fg);
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 0.5rem;
    margin: 0;
}

.modal-body .channel-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.modal-body .channel-name {
    color: var(--accent);
    font-weight: 600;
}

.modal-body .channel-id {
    font-size: 0.75em;
    color: var(--muted);
    font-family: 'Courier New', monospace;
    white-space: nowrap;
}

/* Category headers in modal */
.modal-body .category-header {
    color: var(--accent2);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-body .category-header:first-child {
    margin-top: 0;
}

/* Alert w modalu */
.modal-body .alert {
    background: rgba(255, 193, 7, 0.15);
    border: 1px solid rgba(255, 193, 7, 0.3);
    color: #ffc107;
    border-radius: 12px;
}

/* Backdrop */
.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.85);
}

/* === Form Control - lepsze dla disabled === */
.form-control:disabled,
.form-select:disabled {
    background: rgba(255,255,255,.03) !important;
    border-color: rgba(255,255,255,.08) !important;
    color: rgba(231,233,238,.7) !important;
    opacity: 0.8;
    cursor: not-allowed;
}

/* File input - ciemniejszy */
input[type="file"].form-control {
    background: rgba(255,255,255,.04) !important;
    border: 1px solid var(--border);
    color: var(--fg);
}

input[type="file"].form-control::file-selector-button {
    background: rgba(255,255,255,.08);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--fg);
    padding: 0.375rem 0.75rem;
    margin-right: 0.75rem;
    cursor: pointer;
}

input[type="file"].form-control::file-selector-button:hover {
    background: rgba(255,255,255,.12);
}

input[type="file"].form-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

input[type="file"].form-control:disabled::file-selector-button {
    cursor: not-allowed;
    opacity: 0.6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body, html, .navbar, .card, .form-control,
    input, select, textarea {
        background-color: var(--bg) !important;
        color: var(--fg) !important;
    }

    input::placeholder,
    textarea::placeholder {
        color: var(--muted) !important;
    }
}

@media (min-width: 768px) {
    html { font-size: 16px; }
}