/* hash.chromoshub.ru — file hash calculator */
:root {
    --bg: #0d1117;
    --bg-2: #161b22;
    --bg-3: #1c2430;
    --panel: #10151d;
    --line: #26303c;
    --line-2: #313d4d;
    --txt: #e6edf3;
    --txt-2: #9aa7b4;
    --txt-3: #6b7684;
    --accent: #a371f7;
    --accent-2: #8957e5;
    --ok: #3fb950;
    --err: #f85149;
    --warn: #d29922;
    --mono: "JetBrains Mono", "Cascadia Code", "Fira Code", "DejaVu Sans Mono", "Consolas", monospace;
    --ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --topbar-h: 54px;
}
:root[data-theme="light"] {
    --bg: #f4f6fa;
    --bg-2: #ffffff;
    --bg-3: #eef1f6;
    --panel: #ffffff;
    --line: #dde3ec;
    --line-2: #c8d1de;
    --txt: #16202b;
    --txt-2: #52616f;
    --txt-3: #808d9b;
    --accent: #8250df;
    --accent-2: #6f42c1;
    --ok: #1a7f37;
    --err: #cf222e;
    --warn: #9a6700;
}
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--bg);
    color: var(--txt);
    font-family: var(--ui);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* -------------------------------------------------------------- topbar */
.topbar {
    position: sticky; top: 0; z-index: 20;
    height: var(--topbar-h);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 16px;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand__mark {
    width: 32px; height: 32px; flex: none;
    display: grid; place-items: center;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    border-radius: 8px;
}
.brand__mark svg { width: 20px; height: 20px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand__name { font-weight: 650; font-size: 15px; }
.brand__host { font-size: 12px; color: var(--txt-3); font-family: var(--mono); }
.topbar__actions { display: flex; align-items: center; gap: 10px; }

.lang { display: inline-flex; background: var(--bg-3); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.lang__btn { border: 0; background: transparent; color: var(--txt-2); font: inherit; font-size: 12px; font-weight: 600; padding: 6px 9px; cursor: pointer; }
.lang__btn.is-active { background: var(--accent); color: #fff; }

.icon-btn { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--bg-3); color: var(--txt-2); border-radius: 8px; cursor: pointer; }
.icon-btn:hover { color: var(--txt); border-color: var(--line-2); }
.icon-btn svg { width: 18px; height: 18px; }
.i-moon { display: none; }
:root[data-theme="light"] .i-sun { display: none; }
:root[data-theme="light"] .i-moon { display: block; }

/* -------------------------------------------------------------- layout */
.wrap { max-width: 980px; margin: 0 auto; padding: 22px 16px 60px; }

.seg { display: inline-flex; background: var(--bg-3); border: 1px solid var(--line); border-radius: 9px; padding: 3px; margin-bottom: 18px; }
.seg__btn { border: 0; background: transparent; color: var(--txt-2); font: inherit; font-weight: 600; font-size: 13px; padding: 6px 16px; border-radius: 7px; cursor: pointer; }
.seg__btn.is-active { background: var(--accent); color: #fff; }

/* -------------------------------------------------------------- dropzone */
.drop {
    border: 1.5px dashed var(--line-2);
    border-radius: 14px;
    background: var(--panel);
    padding: 42px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color .15s, background .15s;
}
.drop:hover, .drop:focus-visible, .drop.is-over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 7%, var(--panel)); outline: none; }
.drop__icon { width: 40px; height: 40px; color: var(--accent); margin-bottom: 10px; }
.drop__title { font-weight: 600; font-size: 16px; }
.drop__hint { color: var(--txt-3); font-size: 13px; margin-top: 6px; }

/* -------------------------------------------------------------- text mode */
.text {
    width: 100%; min-height: 160px; resize: vertical;
    background: var(--panel); color: var(--txt);
    border: 1px solid var(--line); border-radius: 12px;
    padding: 14px; font-family: var(--mono); font-size: 13.5px; line-height: 1.55;
}
.text:focus { outline: none; border-color: var(--accent); }
.text__actions { display: flex; gap: 10px; margin-top: 12px; }

.btn { border: 1px solid var(--line); background: var(--bg-3); color: var(--txt); font: inherit; font-weight: 600; font-size: 13.5px; padding: 8px 16px; border-radius: 9px; cursor: pointer; }
.btn:hover { border-color: var(--line-2); }
.btn--accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-2); border-color: var(--accent-2); }

.check { display: inline-flex; align-items: center; gap: 7px; color: var(--txt-2); font-size: 13.5px; cursor: pointer; user-select: none; }
.check input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }

/* -------------------------------------------------------------- status */
.status { margin-top: 18px; padding: 14px 16px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); color: var(--txt-2); display: flex; align-items: center; gap: 12px; }
.status.is-err { border-color: var(--err); color: var(--err); }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid var(--line-2); border-top-color: var(--accent); animation: spin .8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* -------------------------------------------------------------- results */
.results { margin-top: 20px; }
.results__head { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.fileinfo { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.fileinfo__name { font-weight: 650; word-break: break-all; }
.fileinfo__size { color: var(--txt-3); font-size: 13px; font-family: var(--mono); white-space: nowrap; }

.verify { position: relative; display: flex; align-items: center; gap: 8px; flex: 1 1 320px; max-width: 460px; }
.verify__input { width: 100%; background: var(--panel); color: var(--txt); border: 1px solid var(--line); border-radius: 9px; padding: 8px 12px; font-family: var(--mono); font-size: 12.5px; }
.verify__input:focus { outline: none; border-color: var(--accent); }
.verify__badge { font-size: 12px; font-weight: 700; padding: 4px 9px; border-radius: 7px; white-space: nowrap; }
.verify__badge.is-hit { background: color-mix(in srgb, var(--ok) 20%, transparent); color: var(--ok); }
.verify__badge.is-miss { background: color-mix(in srgb, var(--err) 18%, transparent); color: var(--err); }

.note { background: color-mix(in srgb, var(--warn) 12%, transparent); border: 1px solid color-mix(in srgb, var(--warn) 45%, transparent); color: var(--warn); border-radius: 10px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px; }

.group { margin-bottom: 18px; }
.group__title { font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--txt-3); margin: 0 0 8px 2px; }
.group__list { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--panel); }

.row { display: grid; grid-template-columns: 150px 1fr auto; align-items: center; gap: 12px; padding: 10px 12px; border-top: 1px solid var(--line); }
.row:first-child { border-top: 0; }
.row.is-hit { background: color-mix(in srgb, var(--ok) 12%, transparent); }
.row__name { display: flex; align-items: center; gap: 7px; font-weight: 600; font-size: 13.5px; }
.row__bits { font-size: 10.5px; font-weight: 700; color: var(--txt-3); background: var(--bg-3); border-radius: 5px; padding: 1px 5px; }
.row__val { font-family: var(--mono); font-size: 12.5px; color: var(--txt); word-break: break-all; user-select: all; }
.row.is-hit .row__val { color: var(--ok); }
.row__copy { flex: none; border: 1px solid var(--line); background: var(--bg-3); color: var(--txt-2); border-radius: 7px; width: 30px; height: 30px; display: grid; place-items: center; cursor: pointer; }
.row__copy:hover { color: var(--txt); border-color: var(--line-2); }
.row__copy svg { width: 15px; height: 15px; }
.row__copy.copied { color: var(--ok); border-color: var(--ok); }

.foot { margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--txt-3); font-size: 12.5px; }
.foot b { color: var(--txt-2); }

/* -------------------------------------------------------------- drag overlay */
.drop-hint { position: fixed; inset: 0; z-index: 40; display: none; place-items: center; background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: blur(2px); }
.drop-hint.show { display: grid; }
.drop-hint span { border: 2px dashed var(--accent); color: var(--accent); font-weight: 700; font-size: 18px; padding: 28px 46px; border-radius: 16px; background: var(--bg-2); }

@media (max-width: 620px) {
    .row { grid-template-columns: 1fr auto; }
    .row__val { grid-column: 1 / -1; }
    .brand__host { display: none; }
}