:root,
[data-theme="light"] {
    --bg: #f0e7e2;
    --card: rgba(255, 255, 255, 0.85);
    --card-border: rgba(255, 255, 255, 0.9);
    --input-bg: #ffffff;
    --border: #e0cfc7;
    --text: #3d312e;
    --text-2: #665551;
    --muted: #8c736c;
    --accent: #d08370;
    --accent-dark: #b56b5a;
    --chip: #f4e8e3;
    --shadow: 0 10px 25px rgba(208, 131, 112, 0.08);
    --good: #059669;
    --bad: #dc2626;
    --warn: #b45309;
}

[data-theme="dark"] {
    --bg: #1c1512;
    --card: #2a201d;
    --card-border: #3f302b;
    --input-bg: #221a17;
    --border: #3f302b;
    --text: #f4e8e3;
    --text-2: #c4aca4;
    --muted: #9a837c;
    --accent: #e39a86;
    --accent-dark: #d08370;
    --chip: #382a26;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    --good: #34d399;
    --bad: #f87171;
    --warn: #fbbf24;
}

* { box-sizing: border-box; }

body.ss-body {
    margin: 0;
    min-height: 100vh;
    padding: 28px 20px 48px;
    background: var(--bg);
    color: var(--text);
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.5;
}

.ss-app {
    width: min(100%, 1040px);
    margin: 0 auto;
    opacity: 0;
    animation: ssFade 1s ease-out forwards;
}

@keyframes ssFade {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.ss-header { text-align: center; margin-bottom: 26px; }
.ss-topbar { display: flex; align-items: center; justify-content: flex-end; margin-bottom: 18px; }
.ss-back { color: var(--muted); font-size: 0.86rem; font-weight: 600; text-decoration: none; }
.ss-back:hover { color: var(--accent); }

.ss-title-link { display: inline-block; text-decoration: none; transition: transform 0.3s ease; }
.ss-title-link:hover { transform: scale(1.05); }

.ss-title {
    margin: 0;
    color: var(--accent);
    font-family: 'Rubik Iso', sans-serif;
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 400;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 10px rgba(208, 131, 112, 0.15);
}

.ss-subtitle { margin: 10px auto 0; max-width: 580px; color: var(--muted); font-size: 0.95rem; }

.ss-pill-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 9px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--card);
    color: var(--text);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
}
.ss-pill-btn:hover { border-color: var(--accent); }

.ss-drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 34px 20px;
    border: 2px dashed var(--accent);
    border-radius: 18px;
    background: var(--card);
    box-shadow: var(--shadow);
    text-align: center;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}
.ss-drop:hover, .ss-drop:focus-visible, .ss-drop.drag { background: var(--chip); transform: translateY(-2px); outline: none; }
.ss-drop strong { font-size: 1.1rem; color: var(--accent); }
.ss-drop span { color: var(--text-2); font-size: 0.9rem; }
.ss-drop small { color: var(--muted); font-size: 0.78rem; }

.ss-sample { margin: 10px 0 0; text-align: center; }
.ss-link { background: none; border: none; padding: 0; color: var(--accent); font: inherit; font-size: 0.85rem; font-weight: 600; text-decoration: underline; cursor: pointer; }
.ss-link:hover { color: var(--accent-dark); }

.ss-note { margin: 12px 0 0; padding: 10px 14px; border-radius: 10px; background: var(--chip); color: var(--warn); font-size: 0.85rem; font-weight: 600; }
.ss-note[hidden] { display: none; }
.ss-note-ok { color: var(--good); }

.ss-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 28px;
    margin-top: 18px;
    padding: 14px 22px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    box-shadow: var(--shadow);
}
.ss-bar > div:not(.ss-bar-actions) { display: flex; flex-direction: column; min-width: 0; }
.ss-bar span { font-size: 0.7rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.ss-bar strong { font-size: 0.98rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 240px; }
#b_issues.bad { color: var(--bad); }
#b_issues.ok { color: var(--good); }
.ss-bar-actions { margin-left: auto; }

.ss-tools { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }

.ss-card {
    padding: 0;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    box-shadow: var(--shadow);
}
details.ss-card > summary {
    padding: 14px 22px;
    font-weight: 700;
    font-size: 0.98rem;
    cursor: pointer;
    list-style: none;
    color: var(--text);
}
details.ss-card > summary::-webkit-details-marker { display: none; }
details.ss-card > summary::after { content: '+'; float: right; color: var(--accent); font-weight: 700; }
details.ss-card[open] > summary::after { content: '−'; }
details.ss-card > :not(summary) { margin-left: 22px; margin-right: 22px; }
details.ss-card[open] { padding-bottom: 18px; }

.ss-export { padding: 20px 22px; margin-top: 18px; }
.ss-export h2, .ss-listhead h2 { margin: 0 0 12px; font-size: 1.05rem; }

.ss-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 12px; }
.ss-fields-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ss-fields-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.ss-field { display: flex; flex-direction: column; gap: 6px; font-size: 0.82rem; font-weight: 600; color: var(--text-2); min-width: 0; }

.ss-input {
    width: 100%;
    padding: 9px 12px;
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
    font-size: 0.9rem;
}
.ss-input:focus, .ss-text:focus, .ss-t:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(208, 131, 112, 0.18); }

.ss-hint { margin: 0 0 12px; color: var(--muted); font-size: 0.78rem; }

.ss-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.ss-chips button {
    padding: 4px 10px;
    border: none;
    border-radius: 8px;
    background: var(--chip);
    color: var(--accent-dark);
    font: inherit;
    font-size: 0.76rem;
    font-weight: 600;
    cursor: pointer;
}
[data-theme="dark"] .ss-chips button { color: var(--accent); }
.ss-chips button:hover { background: var(--accent); color: #fff; }

.ss-checks { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 14px; font-size: 0.82rem; color: var(--text-2); }
.ss-checks label, .ss-check-inline { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.ss-checks input, .ss-check-inline input { accent-color: var(--accent); }

.ss-btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }

.ss-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 16px;
    border: 1px solid var(--accent);
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}
.ss-btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-1px); }
.ss-btn:disabled { opacity: 0.5; pointer-events: none; }
.ss-btn-ghost { background: transparent; color: var(--accent); }
.ss-btn-ghost:hover { background: var(--accent); color: #fff; }
.ss-btn-sm { padding: 6px 12px; font-size: 0.78rem; }

.ss-listwrap { margin-top: 22px; }
.ss-listhead { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.ss-listhead h2 { margin: 0 0 10px; }
.ss-check-inline { font-size: 0.82rem; color: var(--text-2); margin-bottom: 10px; }

.ss-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }

.ss-row {
    display: grid;
    grid-template-columns: 38px 118px 118px minmax(0, 1fr) 150px 84px;
    gap: 10px;
    align-items: start;
    padding: 10px 12px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    box-shadow: var(--shadow);
}
.ss-row.has-issue { border-color: var(--warn); }

.ss-n { padding-top: 8px; color: var(--muted); font-size: 0.8rem; font-weight: 700; text-align: right; }

.ss-t, .ss-text {
    width: 100%;
    padding: 7px 8px;
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    font: inherit;
    font-size: 0.84rem;
}
.ss-t { font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace; font-size: 0.8rem; }
.ss-t.bad { border-color: var(--bad); }
.ss-text { resize: vertical; min-height: 2.6em; line-height: 1.4; }

.ss-info { font-size: 0.74rem; color: var(--muted); line-height: 1.35; }
.ss-info b { color: var(--text-2); }
.ss-info em { display: block; font-style: normal; color: var(--warn); font-weight: 600; }

.ss-acts { display: flex; flex-direction: column; gap: 4px; }
.ss-acts button {
    padding: 4px 6px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-2);
    font: inherit;
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
}
.ss-acts button:hover { border-color: var(--accent); color: var(--accent); }
.ss-acts button[data-act="del"]:hover { border-color: var(--bad); color: var(--bad); }

.ss-footer { margin: 28px 0 0; text-align: center; color: var(--muted); font-size: 0.78rem; }

@media (max-width: 860px) {
    .ss-fields-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
    .ss-row {
        grid-template-columns: 30px minmax(0, 1fr) minmax(0, 1fr);
        grid-template-areas: "n s e" "t t t" "i i a";
    }
    .ss-n { grid-area: n; }
    .ss-start { grid-area: s; }
    .ss-end { grid-area: e; }
    .ss-text { grid-area: t; }
    .ss-info { grid-area: i; }
    .ss-acts { grid-area: a; flex-direction: row; }
    .ss-acts button { flex: 1; }
}

@media (max-width: 560px) {
    body.ss-body { padding: 20px 14px 36px; }
    .ss-fields, .ss-fields-3, .ss-fields-4 { grid-template-columns: 1fr; }
    details.ss-card > summary { padding: 14px 16px; }
    details.ss-card > :not(summary) { margin-left: 16px; margin-right: 16px; }
    .ss-export { padding: 16px; }
    .ss-bar { padding: 14px 16px; gap: 12px 20px; }
    .ss-bar-actions { margin-left: 0; width: 100%; }
    .ss-bar-actions .ss-btn { width: 100%; }
}

/* language switch, encoding picker, guide */
.ss-topbar-actions { display: flex; align-items: center; gap: 8px; }

.ss-select-small {
    padding: 5px 10px;
    max-width: 210px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--card);
    color: var(--text);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
}
.ss-select-small:focus { outline: none; border-color: var(--accent); }

.ss-bar-enc { display: flex; flex-direction: column; gap: 2px; }
.ss-enc-hint { margin: 8px 4px 0; }

.ss-t, .ss-text { unicode-bidi: plaintext; }

.ss-guide {
    margin-top: 40px;
    padding: 26px 28px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    color: var(--text-2);
    font-size: 0.8rem;
    line-height: 1.55;
}
.ss-guide h2 { margin: 0 0 10px; font-size: 1rem; color: var(--text); }
.ss-guide h3 { margin: 18px 0 4px; font-size: 0.86rem; color: var(--text); }
.ss-guide p { margin: 0 0 8px; }
.ss-guide strong { color: var(--text); }

@media (max-width: 560px) {
    .ss-guide { padding: 20px 16px; }
    .ss-select-small { max-width: 150px; }
    .ss-bar-enc { width: 100%; }
    .ss-bar-enc .ss-select-small { max-width: none; width: 100%; }
}