:root {
    --bg: #0b0b0b;
    --text: #ffffff;
    --glass: rgba(255,255,255,0.06);
    --border: rgba(255,255,255,0.12);
}

.light {
    --bg: #f4f6fb;
    --text: #111;
    --glass: rgba(255,255,255,0.7);
    --border: rgba(0,0,0,0.1);
}

body {
    margin: 0;
    font-family: Inter, sans-serif;
    background: radial-gradient(circle at top, #1a1a1a, var(--bg));
    color: var(--text);
    transition: 0.4s;
    overflow-x: hidden;
}

/* glow */
body::before {
    content: "";
    position: fixed;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle, rgba(51,255,119,0.08), transparent 40%);
    animation: move 12s linear infinite;
    z-index: -1;
}

@keyframes move {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* layout */
.container {
    max-width: 950px;
    margin: auto;
    padding: 20px;
}

/* glass */
.glass {
    background: var(--glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(16px);
    border-radius: 18px;
}

/* hero */
.hero {
    position: relative;
    overflow: hidden;
    margin: 20px 0;
}

.hero img {
    width: 100%;
    display: block;
    filter: brightness(0.6);
}

.hero-text {
    position: absolute;
    bottom: 12px;
    left: 12px;
    padding: 8px 12px;
    border-radius: 12px;
    background: var(--glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

/* text */
h1 {
    text-align: center;
    font-size: clamp(40px,7vw,90px);
    margin: 10px 0;
}

h3 {
    text-align: center;
    opacity: 0.7;
}

/* cards */
.card {
    padding: 18px;
    margin: 15px 0;
}

/* image */
.preview-img {
    width: 100%;
    border-radius: 16px;
    border: 1px solid var(--border);
    margin-top: 10px;
}

/* buttons */
button {
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--glass);
    color: var(--text);
}

/* links */
.links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.glass-btn {
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--glass);
    text-decoration: none;
    color: var(--text);
}

/* theme */
.theme-btn {
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 9999;

    padding: 10px 12px;
    border-radius: 14px;

    border: 1px solid var(--border);
    background: var(--glass);

    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);

    cursor: pointer;
    transition: 0.2s;
}

.theme-btn:hover {
    transform: scale(1.05);
}

/* toast */
#toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 16px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 12px;
    opacity: 0;
    transition: 0.3s;
}

#toast.active {
    opacity: 1;
}

/* mobile */
@media (max-width: 768px) {
    h1 { font-size: 38px; }
}

/* ===== OVERLAY TOAST (IMBA MODE) ===== */
#toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) scale(0.95);
    padding: 14px 18px;
    border-radius: 14px;

    background: rgba(20,20,20,0.35);
    border: 1px solid var(--border);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    color: var(--text);
    font-size: 14px;

    opacity: 0;
    transition: 0.25s ease;

    z-index: 9999; /* поверх ВСЕГО */
}

/* активное уведомление */
#toast.active {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* ===== DARK BACKDROP EFFECT WHEN TOAST ACTIVE ===== */
body.toast-active::before {
    background: rgba(0,0,0,0.35);
}

.glass-wrap{
    width:100%;
    display:flex;
    justify-content:center;
    margin:40px 0;
}

.glass-box{
    width: min(420px, 90%);
    padding:40px;
    text-align:center;

    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px;

    backdrop-filter: blur(18px);
}

#clock {
    font-family: Inter, sans-serif;
    font-weight: 600;

    font-size: clamp(72px, 12vw, 140px);
    line-height: 1;

    letter-spacing: 2px;
    text-align: center;
}

#sub{
    margin-top:10px;
    opacity:0.6;
    font-family:monospace;
}

#sub {
    cursor: pointer;
    transition: opacity 0.2s ease;
}

#sub:active {
    opacity: 0.5;
}