:root {
    color-scheme: light;
    --bg1: #eaf6ff; --bg2: #cfe7ff; --bg3: #b9dbff;
    --stripe: rgba(255, 255, 255, 0.35);
    --ring1: rgba(255, 255, 255, 0.5);
    --ring2: rgba(76, 201, 255, 0.28);
    --paper: #ffffff;
    --sky: #f3f8ff;
    --line: #d6e6f7;
    --text: #2b3a55;
    --text-soft: #4a5b7a;
    --tab: #2b3a55;
    --blue: #128cff;
    --cyan: #4cc9ff;
    --yellow: #ffd23f;
    --link: #128cff;
    --chip-bg: #fff4c2;
    --chip-text: #2b3a55;
    --tbox-bg: #2b3a55;
    --tbox-text: #ffffff;
    --menu-bg: #f4f9ff;
    --burger-bg: #2b3a55;
    --media-bg: #dbe9f8;
    --halo-a: #2b3a55;
    --halo-b: #128cff;
    --num-shadow: 3px 3px 0 #fff, 0 8px 16px rgba(18, 140, 255, 0.3);
    --panel-shadow: 0 12px 32px rgba(43, 58, 85, 0.18);
}
:root[data-theme="dark"] {
    color-scheme: dark;
    --bg1: #0b1222; --bg2: #101c36; --bg3: #17294a;
    --stripe: rgba(255, 255, 255, 0.028);
    --ring1: rgba(76, 201, 255, 0.07);
    --ring2: rgba(76, 201, 255, 0.10);
    --paper: #172036;
    --sky: #121b30;
    --line: #2a3b5e;
    --text: #e6eefc;
    --text-soft: #94a8cc;
    --tab: #263a60;
    --blue: #4db4ff;
    --cyan: #4cc9ff;
    --yellow: #ffd23f;
    --link: #5bbcff;
    --chip-bg: rgba(255, 210, 63, 0.12);
    --chip-text: #fff3c4;
    --tbox-bg: #0d172b;
    --tbox-text: #ffffff;
    --menu-bg: #0f1729;
    --burger-bg: #263a60;
    --media-bg: #0d1628;
    --halo-a: #e6eefc;
    --halo-b: #4cc9ff;
    --num-shadow: 3px 3px 0 #0a1121, 0 0 28px rgba(76, 201, 255, 0.45);
    --panel-shadow: 0 14px 36px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    overflow: hidden;
    font-family: 'Noto Sans', 'Segoe UI', system-ui, sans-serif;
    color: var(--text);
    background: linear-gradient(160deg, var(--bg1) 0%, var(--bg2) 55%, var(--bg3) 100%);
    transition: background 0.3s, color 0.3s;
}

.deco { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.deco::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(135deg, var(--stripe) 0 14px, transparent 14px 28px);
}
.deco .ring { position: absolute; border-radius: 50%; border: 38px solid var(--ring1); }
.deco .ring.r1 { width: 560px; height: 560px; right: -190px; bottom: -230px; }
.deco .ring.r2 { width: 300px; height: 300px; left: -110px; top: 18%; border-width: 22px; border-color: var(--ring2); }

.round-btn {
    position: fixed;
    top: 16px;
    z-index: 1002;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 12px;
    background: var(--burger-bg);
    color: #fff;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: 1.15rem;
    transition: filter 0.2s, transform 0.15s, background 0.3s;
    -webkit-tap-highlight-color: transparent;
}
.round-btn:hover { filter: brightness(1.2); }
.round-btn:active { transform: scale(0.95); }
#burger { left: 16px; flex-direction: column; gap: 5px; }
#burger span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: #fff;
    transition: transform 0.25s ease, opacity 0.2s ease;
}
#burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#burger.open span:nth-child(2) { opacity: 0; }
#burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
#themeToggle { right: 16px; }
#themeToggle .i-sun { color: var(--yellow); }
#themeToggle .i-moon { color: #cfe7ff; }
:root[data-theme="dark"] #themeToggle .i-moon { display: none; }
:root:not([data-theme="dark"]) #themeToggle .i-sun { display: none; }

#overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(5, 10, 20, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
#overlay.open { opacity: 1; pointer-events: auto; }
#menu {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1001;
    width: 290px;
    max-width: 85vw;
    padding: 78px 16px 16px;
    background: var(--menu-bg);
    border-right: 4px solid var(--cyan);
    box-shadow: 20px 0 50px -10px rgba(0, 0, 0, 0.55);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}
#menu.open { transform: translateX(0); }
#menu .brand { font-size: 1.2rem; font-weight: 900; font-style: italic; padding: 0 6px; }
#menu .sub { font-size: 0.75rem; color: var(--text-soft); padding: 0 6px 18px; }
#menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 54px;
    padding: 8px 14px;
    margin-bottom: 10px;
    border-radius: 12px;
    border-left: 6px solid var(--cyan);
    background: var(--paper);
    color: var(--text);
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
    transition: transform 0.15s, box-shadow 0.15s;
}
#menu a:hover { transform: translateX(4px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.28); }
#menu a .ico { width: 28px; display: flex; align-items: center; justify-content: center; font-size: 24px; line-height: 1; }
#menu a .ico img { width: 24px; height: 24px; display: block; }
#menu a .ico.tg { color: var(--blue); }

main {
    position: fixed;
    inset: 0;
    z-index: 1;
    overflow-y: auto;
    padding: 78px 20px 24px;
}
.layout {
    display: grid;
    grid-template-columns: minmax(0, 440px) minmax(0, 1fr);
    gap: 22px;
    width: min(100%, 1120px);
    margin: 0 auto;
    align-items: start;
}

.panel {
    background: var(--paper);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--panel-shadow);
    transition: background 0.3s;
}
.panel-top { border-bottom: 3px solid var(--cyan); }
.panel-head {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 44px 11px 16px;
    background: var(--tab);
    color: #fff;
    font-size: 1.02rem;
    font-weight: 800;
    font-style: italic;
    clip-path: polygon(0 0, 100% 0, calc(100% - 24px) 100%, 0 100%);
    transition: background 0.3s;
}
.panel-head .mark { width: 8px; height: 22px; background: var(--cyan); transform: skewX(-14deg); flex: none; }
.panel-head i { color: var(--cyan); }

.counter-body { padding: 18px 22px 28px; text-align: center; }
.counter-title { margin: 0 0 14px; font-size: 1rem; font-weight: 600; color: var(--text-soft); }
.halo {
    display: block;
    width: 200px;
    height: 94px;
    margin: -4px auto -22px;
    overflow: visible;
    filter: drop-shadow(0 0 8px rgba(76, 201, 255, 0.55));
    pointer-events: none;
}
.halo .ring { fill: none; stroke: url(#haloGrad); stroke-width: 6; stroke-linecap: round; }
.halo .blade { fill: var(--blue); }
.halo .grad-a { stop-color: var(--halo-a); }
.halo .grad-b { stop-color: var(--halo-b); }
.days-counter {
    font-size: clamp(4.2rem, 14vw, 6.6rem);
    font-weight: 900;
    font-style: italic;
    line-height: 1.05;
    color: var(--blue);
    text-shadow: var(--num-shadow);
    font-variant-numeric: tabular-nums;
}
.days-label {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-soft);
    letter-spacing: 1px;
    text-transform: uppercase;
}
.timer { display: flex; justify-content: center; gap: 8px; margin: 16px 0 22px; }
.tbox {
    min-width: 78px;
    padding: 8px 6px 6px;
    background: var(--tbox-bg);
    color: var(--tbox-text);
    border-radius: 6px;
    border: 1px solid rgba(76, 201, 255, 0.25);
    transform: skewX(-8deg);
}
.tbox > * { display: block; transform: skewX(8deg); }
.tbox .num { font-size: 1.9rem; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.1; }
.tbox .unit { font-size: 0.65rem; font-weight: 600; color: var(--cyan); letter-spacing: 1px; text-transform: uppercase; }
.return-date {
    display: inline-block;
    padding: 10px 18px;
    background: var(--chip-bg);
    border: 2px solid var(--yellow);
    border-radius: 10px;
    font-size: 0.95rem;
    color: var(--chip-text);
}
.return-date strong { display: block; margin-top: 2px; font-size: 1.15rem; font-weight: 800; }

.feed { display: flex; flex-direction: column; height: calc(100vh - 102px); }
.feed-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    scrollbar-width: thin;
    scrollbar-color: var(--cyan) transparent;
}
.feed-list::-webkit-scrollbar { width: 8px; }
.feed-list::-webkit-scrollbar-thumb { background: var(--cyan); border-radius: 8px; }
.feed-msg { padding: 28px 12px; text-align: center; color: var(--text-soft); }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 10px 18px;
    border-radius: 10px;
    background: #128cff;
    color: #fff;
    font-weight: 700;
    text-decoration: none;
}
.post {
    flex: none;
    background: var(--sky);
    border: 1px solid var(--line);
    border-radius: 12px;
    overflow: hidden;
    transition: background 0.3s;
}
.post-media { position: relative; display: block; background: var(--media-bg); }
.post-media img { display: block; width: 100%; max-height: 300px; object-fit: cover; }
.badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 3px 9px;
    border-radius: 8px;
    background: rgba(20, 30, 50, 0.85);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
}
.badge.video { right: auto; left: 10px; }
.post-text {
    padding: 12px 14px 4px;
    font-size: 0.92rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}
.post-text a, .post-foot a { color: var(--link); font-weight: 600; text-decoration: none; }
.post-text a:hover, .post-foot a:hover { text-decoration: underline; }
.post-foot {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 14px 12px;
    font-size: 0.78rem;
    color: var(--text-soft);
}
.post-foot .spacer { flex: 1; }

@media (max-width: 900px) {
    .layout { grid-template-columns: 1fr; }
    .feed { height: auto; }
    .feed-list { overflow: visible; }
}