/* =========================================================
   ТЕТ-А-ТЕТ — арт-хаус для математических дуэлей.
   Палитра: костяной фон, чёрная типографика, oxblood-акцент.
   ========================================================= */

:root {
    --bg: #efeae0;
    --bg-alt: #e7e1d3;
    --bg-deep: #1a1a1a;
    --ink: #1a1a1a;
    --ink-soft: #5a554c;
    --ink-fade: #8a8479;
    --rule: #1a1a1a;
    --accent: #7a0d0d;
    --accent-soft: #b54848;
    --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
    --grain-opacity: 0.07;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    background: var(--bg);
    color: var(--ink);
    font-family: var(--serif);
    font-weight: 400;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

button, input, textarea {
    font: inherit;
    color: inherit;
    background: transparent;
    border: 0;
}

input { outline: none; }
a { color: inherit; text-decoration: none; }
ol, ul { list-style: none; }

::selection {
    background: var(--accent);
    color: var(--bg);
}

.grain {
    position: fixed;
    inset: 0;
    z-index: 999;
    pointer-events: none;
    opacity: var(--grain-opacity);
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.7'/></svg>");
}

/* === ОБЩЕЕ === */

.dot {
    color: var(--ink);
    opacity: 0.4;
    font-size: 0.5em;
    transform: translateY(-2px);
    display: inline-block;
}

.spacer { flex: 1; }

.btn-stage {
    display: inline-block;
    width: 100%;
    padding: 1rem 1.4rem;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: lowercase;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--bg);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-stage:hover {
    background: var(--bg);
    color: var(--ink);
}

.field { display: block; margin-bottom: 1.4rem; }

.field-label {
    display: block;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: lowercase;
    color: var(--ink-soft);
    margin-bottom: 0.5rem;
}

.field input {
    width: 100%;
    padding: 0.6rem 0;
    font-family: var(--serif);
    font-size: 1.2rem;
    border-bottom: 1px solid var(--ink);
    transition: border-color 0.2s;
}

.field input:focus { border-bottom-color: var(--accent); }

.block-header {
    display: grid;
    grid-template-columns: auto auto 1fr;
    align-items: baseline;
    gap: 1.4rem;
    padding: 3rem 0 1.4rem;
}

.block-numeral {
    font-family: var(--serif);
    font-size: 2.4rem;
    font-style: italic;
    font-weight: 300;
    color: var(--accent);
    line-height: 1;
}

.block-header h2 {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: lowercase;
}

.block-rule {
    height: 1px;
    background: var(--ink);
    align-self: center;
    transform: translateY(2px);
}

/* === LANDING === */

body.landing {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
}

.top-bar, .bottom-bar {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 1.2rem 2.5rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: lowercase;
    color: var(--ink-soft);
    border-bottom: 1px solid var(--ink);
}

.bottom-bar {
    border-bottom: 0;
    border-top: 1px solid var(--ink);
}

.top-bar .seal {
    letter-spacing: 0.32em;
    color: var(--ink);
    font-weight: 500;
}

.landing-stage {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    align-items: center;
    gap: 5rem;
    padding: 5rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.kicker {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.42em;
    text-transform: lowercase;
    color: var(--ink-soft);
    margin-bottom: 2rem;
}

.masthead {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(4rem, 11vw, 9.5rem);
    line-height: 0.92;
    letter-spacing: -0.025em;
    display: flex;
    align-items: baseline;
    gap: 0.35em;
    flex-wrap: wrap;
    text-transform: lowercase;
}

.masthead .amp {
    font-style: italic;
    font-weight: 300;
    color: var(--accent);
    font-size: 0.6em;
    transform: translateY(-0.1em);
}

.lede {
    margin-top: 2.4rem;
    font-size: 1.35rem;
    font-style: italic;
    color: var(--ink-soft);
    max-width: 28ch;
    line-height: 1.45;
}

.ornament {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2.6rem;
    max-width: 18rem;
}

.orn-line {
    flex: 1;
    height: 1px;
    background: var(--ink);
    opacity: 0.5;
}

.orn-mark {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.2rem;
    color: var(--accent);
}

.manifesto {
    margin-top: 2rem;
    font-size: 1.05rem;
    font-style: italic;
    color: var(--ink-soft);
    line-height: 1.6;
    max-width: 32ch;
}

.auth-card {
    position: relative;
    padding: 2.6rem 2.4rem 2.2rem;
    background: var(--bg-alt);
    border: 1px solid var(--ink);
}

.card-numeral {
    position: absolute;
    top: -1.4rem;
    left: -1rem;
    width: 2.4rem;
    height: 2.4rem;
    display: grid;
    place-items: center;
    background: var(--bg);
    border: 1px solid var(--ink);
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.4rem;
    color: var(--accent);
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--ink);
    margin-bottom: 1.8rem;
}

.auth-tab {
    flex: 1;
    padding: 0.7rem 0.4rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: lowercase;
    color: var(--ink-fade);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color 0.2s, border-color 0.2s;
}

.auth-tab.active {
    color: var(--ink);
    border-bottom-color: var(--ink);
}

.auth-tab:hover { color: var(--ink); }

.auth-card .btn-stage { margin-top: 0.4rem; }

.footnote {
    margin-top: 1.6rem;
    text-align: center;
    font-style: italic;
    font-size: 0.95rem;
    color: var(--ink-soft);
    line-height: 1.4;
}

/* === CABINET === */

body.cabinet {
    display: grid;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 1.4rem 3rem;
    border-bottom: 1px solid var(--ink);
}

.nav-brand {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.4em;
    text-transform: lowercase;
}

.nav-links { display: flex; gap: 2.4rem; }

.nav-link {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: lowercase;
    color: var(--ink-fade);
    padding-bottom: 3px;
    border-bottom: 1px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}

.nav-link.active {
    color: var(--ink);
    border-bottom-color: var(--ink);
}

.nav-link:hover { color: var(--ink); }

.nav-user {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: lowercase;
}

.nav-user .user-rating {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--ink);
    letter-spacing: 0;
}

.cabinet-stage {
    display: block;
    padding: 0 3rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.hero {
    display: grid;
    grid-template-columns: 1fr 1px 1.2fr;
    align-items: center;
    gap: 3rem;
    padding: 4rem 0;
    border-bottom: 1px solid var(--ink);
}

.hero-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.32em;
    text-transform: lowercase;
    color: var(--ink-soft);
    margin-bottom: 1rem;
}

.hero-rating {
    font-family: var(--serif);
    font-size: clamp(6rem, 13vw, 11rem);
    font-weight: 400;
    line-height: 0.88;
    letter-spacing: -0.04em;
}

.hero-delta {
    margin-top: 1.2rem;
    font-family: var(--mono);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--accent);
}

.hero-divider {
    width: 1px;
    height: 75%;
    background: var(--ink);
    justify-self: center;
}

.record {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.record-cell { text-align: center; }

.record-num {
    font-family: var(--serif);
    font-size: clamp(2.6rem, 5vw, 4rem);
    line-height: 1;
    font-weight: 500;
}

.record-lbl {
    margin-top: 0.6rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.28em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

/* — Subjects — */

.subjects {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--ink);
}

.subject {
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding: 1.6rem 1.4rem;
    cursor: pointer;
    text-align: left;
    border-right: 1px solid var(--ink);
    transition: background 0.2s, color 0.2s;
}

.subject:last-child { border-right: 0; }
.subject:hover { background: var(--bg-alt); }

.subject.active {
    background: var(--ink);
    color: var(--bg);
}

.subj-num {
    font-family: var(--serif);
    font-size: 1.4rem;
    font-style: italic;
    color: var(--ink-soft);
}

.subject.active .subj-num { color: var(--accent-soft); }

.subj-name {
    font-family: var(--serif);
    font-size: 1.6rem;
    margin-top: 1.6rem;
    line-height: 1.1;
}

.subj-rating {
    margin-top: 1.4rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

.subject.active .subj-rating { color: var(--bg-alt); }

/* — CTA — */

.cta-duel {
    width: 100%;
    display: grid;
    gap: 0.7rem;
    padding: 3rem 2rem;
    text-align: center;
    border: 1px solid var(--ink);
    background: var(--ink);
    color: var(--bg);
    cursor: pointer;
    transition: background 0.25s, border-color 0.25s;
}

.cta-duel:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.cta-line {
    font-family: var(--serif);
    font-size: clamp(2.4rem, 5.6vw, 4.4rem);
    letter-spacing: 0.06em;
    font-weight: 500;
    line-height: 1;
}

.cta-meta {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.28em;
    text-transform: lowercase;
    opacity: 0.6;
}

/* — Archive — */

.archive-list { border-top: 1px solid var(--ink); }

.archive-row {
    display: grid;
    grid-template-columns: 3rem 2fr 1fr 1.5fr 1fr 2fr;
    align-items: center;
    gap: 1rem;
    padding: 1.3rem 0;
    border-bottom: 1px solid rgba(26, 26, 26, 0.18);
    transition: background 0.2s;
}

.archive-row:hover { background: var(--bg-alt); }

.archive-result {
    font-family: var(--serif);
    font-size: 1.8rem;
    font-style: italic;
    line-height: 1;
}

.archive-row.win .archive-result { color: var(--accent); }
.archive-row.loss .archive-result { color: var(--ink-fade); }

.archive-opp {
    font-family: var(--mono);
    font-size: 0.92rem;
    letter-spacing: 0.05em;
}

.archive-score {
    font-family: var(--serif);
    font-size: 1.4rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.archive-subj, .archive-time {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    color: var(--ink-soft);
    text-transform: lowercase;
}

.archive-delta {
    font-family: var(--mono);
    font-size: 0.88rem;
    letter-spacing: 0.05em;
}

.archive-row.win .archive-delta { color: var(--accent); }
.archive-row.loss .archive-delta { color: var(--ink-soft); }

.cabinet-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.22em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

/* — Matchmaking overlay — */

.mm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(239, 234, 224, 0.97);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
}

.mm-overlay.show { display: flex; }
.mm-content { text-align: center; }

.mm-pulse {
    width: 80px;
    height: 80px;
    border: 1px solid var(--ink);
    border-radius: 50%;
    margin: 0 auto 2.4rem;
    position: relative;
    animation: pulse-ring 2.2s infinite ease-out;
}

.mm-pulse::before {
    content: '';
    position: absolute;
    inset: 30%;
    border-radius: 50%;
    background: var(--accent);
}

@keyframes pulse-ring {
    0%   { transform: scale(0.85); opacity: 1; }
    50%  { transform: scale(1.15); opacity: 0.4; }
    100% { transform: scale(0.85); opacity: 1; }
}

.mm-text {
    font-family: var(--serif);
    font-size: 2.6rem;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
    text-transform: lowercase;
}

.mm-sub {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.28em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

.mm-elapsed {
    margin-top: 2.2rem;
    font-family: var(--mono);
    font-size: 1.15rem;
    letter-spacing: 0.22em;
}

.mm-cancel {
    margin-top: 2.2rem;
    padding: 0.7rem 1.6rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.25em;
    text-transform: lowercase;
    border: 1px solid var(--ink);
    cursor: pointer;
    color: var(--ink);
    background: transparent;
    transition: background 0.2s, color 0.2s;
}

.mm-cancel:hover {
    background: var(--ink);
    color: var(--bg);
}

/* === DUEL === */

body.duel {
    display: grid;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
    background: var(--bg);
}

.duel-bar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: end;
    padding: 1.4rem 3rem 1.2rem;
    border-bottom: 1px solid var(--ink);
    background: var(--bg-alt);
    gap: 2rem;
}

.duel-bar-side {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
}

.duel-bar-side.end { align-items: flex-end; }
.duel-bar-center { text-align: center; }

.duel-bar-label {
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.32em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

.duel-round {
    font-family: var(--serif);
    font-size: 2.4rem;
    font-style: italic;
    color: var(--accent);
    line-height: 1;
}

.duel-bar-opp {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.3rem;
}

.duel-clock {
    font-family: var(--mono);
    font-size: 1.1rem;
    letter-spacing: 0.22em;
    margin-top: 0.2rem;
}

.duel-stage {
    display: grid;
    grid-template-columns: 1fr minmax(320px, 720px) 1fr;
    align-items: center;
    padding: 2rem 2rem;
    gap: 1.5rem;
    min-height: calc(100vh - 130px);
}

/* === FIGHTERS / МУШКЕТЁРЫ === */

.fighter {
    display: grid;
    grid-template-rows: auto 1fr auto;
    justify-items: center;
    gap: 1rem;
    padding: 1rem 0.4rem;
    color: var(--ink);
    transition: opacity 0.2s;
}

.fighter-figure {
    width: clamp(120px, 16vw, 220px);
    height: auto;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.fighter-figure .figure {
    width: 100%;
    height: auto;
    display: block;
}

.fighter-figure.mirror {
    transform: scaleX(-1);
}

.fighter.shake { animation: fighter-shake 0.55s cubic-bezier(0.36, 0.07, 0.19, 0.97); }
@keyframes fighter-shake {
    0%, 100% { transform: translateX(0) rotate(0); }
    15%      { transform: translateX(-6px) rotate(-1.5deg); }
    30%      { transform: translateX(7px) rotate(1.5deg); }
    45%      { transform: translateX(-5px) rotate(-1deg); }
    60%      { transform: translateX(4px) rotate(0.8deg); }
    75%      { transform: translateX(-2px) rotate(-0.4deg); }
}

.fighter-name {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1rem;
    color: var(--ink);
}

.fighter-me .fighter-name { color: var(--ink); }
.fighter-opp .fighter-name { color: var(--ink-soft); }

/* — жизни (◆ ромбы) — */
.lives {
    display: flex;
    gap: 0.6rem;
    font-family: var(--serif);
    font-size: 1.7rem;
    line-height: 1;
}

.life {
    transition: color 0.4s, transform 0.4s;
    color: var(--accent);
}

.life.empty {
    color: var(--ink-fade);
    animation: life-lost 0.5s ease-out;
}

@keyframes life-lost {
    0%   { transform: scale(1); color: var(--accent); }
    40%  { transform: scale(1.5) rotate(-12deg); color: var(--accent); opacity: 0.5; }
    100% { transform: scale(1); color: var(--ink-fade); opacity: 1; }
}

/* === TASK CARD === */

.task-card {
    width: 100%;
    max-width: 720px;
    background: var(--bg-alt);
    border: 1px solid var(--ink);
    transition: border-color 0.4s, background 0.4s;
}

.task-card.final-win  { border-color: var(--accent); }
.task-card.final-loss { background: var(--bg); }

/* — Code editor — */

.code-area {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--ink);
    background: var(--bg);
}

.code-toolbar {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.4rem;
    background: var(--bg-alt);
    border-bottom: 1px solid rgba(26, 26, 26, 0.18);
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.22em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

.code-spacer { flex: 1; }
.code-lang { color: var(--ink); font-weight: 500; }
.code-hint { font-style: italic; }

.code-editor {
    width: 100%;
    min-height: 11rem;
    padding: 1.1rem 1.4rem;
    font-family: var(--mono);
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--ink);
    background: var(--bg);
    border: 0;
    outline: none;
    resize: vertical;
    tab-size: 4;
    -moz-tab-size: 4;
    white-space: pre;
}

.code-editor:focus { background: #f6f1e7; }
.code-editor:disabled {
    color: var(--ink-fade);
    background: var(--bg-alt);
    cursor: not-allowed;
}

.code-output {
    min-height: 1.6rem;
    max-height: 8rem;
    overflow: auto;
    padding: 0.7rem 1.4rem;
    border-top: 1px solid rgba(26, 26, 26, 0.18);
    font-family: var(--mono);
    font-size: 0.78rem;
    line-height: 1.45;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--ink-soft);
}

.code-output:empty { display: none; }
.code-output.ok  { color: var(--ink); border-top-color: var(--ink); }
.code-output.err { color: var(--accent); border-top-color: var(--accent); }
.code-output.info { color: var(--ink-soft); font-style: italic; }

.code-actions {
    display: flex;
    align-items: stretch;
    border-top: 1px solid var(--ink);
}

.btn-quiet {
    flex: 1;
    padding: 1rem 1.4rem;
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.22em;
    text-transform: lowercase;
    background: transparent;
    color: var(--ink-soft);
    border: 0;
    border-right: 1px solid var(--ink);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.btn-quiet:hover { background: var(--bg-alt); color: var(--ink); }
.btn-quiet:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-submit {
    flex: 1.3;
    padding: 1rem 1.4rem;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: lowercase;
    background: var(--ink);
    color: var(--bg);
    border: 0;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-submit:hover { background: var(--accent); }
.btn-submit:disabled { opacity: 0.4; cursor: not-allowed; }

/* — Старая task-form, оставленная как fallback — */
.task-form { display: none !important; }

/* — soon-карточка предмета (заблокирована) — */
.subject.soon {
    opacity: 0.45;
    cursor: not-allowed;
    background: repeating-linear-gradient(
        135deg,
        var(--bg-alt) 0,
        var(--bg-alt) 6px,
        transparent 6px,
        transparent 12px
    );
}
.subject.soon:hover { background: repeating-linear-gradient(
        135deg,
        var(--bg-alt) 0,
        var(--bg-alt) 6px,
        transparent 6px,
        transparent 12px
    ); }

.filter-pill.soon {
    opacity: 0.45;
    cursor: not-allowed;
    text-decoration: line-through;
}

.block-caption {
    margin-top: 0.8rem;
    font-family: var(--serif);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--ink-soft);
}

.task-header {
    display: flex;
    justify-content: space-between;
    padding: 1.1rem 1.8rem;
    border-bottom: 1px solid var(--ink);
}

.task-meta {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

.task-body {
    padding: 2.4rem 2.4rem;
    font-family: var(--serif);
    font-size: clamp(1.15rem, 2.1vw, 1.4rem);
    line-height: 1.55;
    text-align: center;
    border-bottom: 1px solid var(--ink);
}

.task-example {
    margin-top: 0.8rem;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    color: var(--ink-soft);
}

.task-example code {
    color: var(--ink);
    background: var(--bg);
    padding: 0.18rem 0.4rem;
    border: 1px solid rgba(26, 26, 26, 0.15);
}

.task-form {
    display: flex;
    align-items: stretch;
}

.task-form input {
    flex: 1;
    padding: 1.2rem 1.8rem;
    font-family: var(--serif);
    font-size: 1.25rem;
    border-right: 1px solid var(--ink);
}

.task-form input:focus { background: var(--bg); }

.task-submit {
    padding: 1.2rem 1.8rem;
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: lowercase;
    background: var(--ink);
    color: var(--bg);
    cursor: pointer;
    transition: background 0.2s;
}

.task-submit:hover { background: var(--accent); }
.task-submit:disabled { opacity: 0.4; cursor: not-allowed; }

.duel-status {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.28em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

/* === COUNTDOWN === */

.countdown-overlay {
    position: fixed;
    inset: 0;
    background: rgba(239, 234, 224, 0.96);
    z-index: 280;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.countdown-overlay.show { display: flex; }

.countdown-num {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(8rem, 22vw, 18rem);
    line-height: 1;
    color: var(--accent);
}

.countdown-num.animate {
    animation: countdown-pop 0.85s cubic-bezier(0.16, 0.7, 0.3, 1);
}

.countdown-num.final {
    color: var(--ink);
}

@keyframes countdown-pop {
    0%   { transform: scale(0.5);  opacity: 0; }
    25%  { transform: scale(1);    opacity: 1; }
    75%  { transform: scale(1.05); opacity: 1; }
    100% { transform: scale(1.6);  opacity: 0; }
}

.countdown-label {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.4em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

/* === STRIKE — вспышка между мушкетёрами === */

.strike-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 270;
    opacity: 0;
}

.strike-overlay.show {
    animation: strike-flash 0.4s ease-out;
}

@keyframes strike-flash {
    0%   { opacity: 0; background: transparent; }
    20%  {
        opacity: 1;
        background: linear-gradient(90deg,
            transparent 0%,
            transparent 30%,
            rgba(122, 13, 13, 0.55) 50%,
            transparent 70%,
            transparent 100%);
    }
    100% { opacity: 0; }
}

/* === ROUND OVERLAY === */

.round-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 26, 0.94);
    color: var(--bg);
    z-index: 300;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.round-overlay.show { display: flex; }

.round-result {
    font-family: var(--serif);
    font-size: clamp(3rem, 10vw, 7.5rem);
    letter-spacing: 0.12em;
    font-style: italic;
    text-align: center;
    text-transform: lowercase;
    line-height: 1;
}

.round-result.win { color: var(--accent-soft); }
.round-result.loss { color: var(--bg-alt); }

/* === FORMS / SHARED HELPERS === */

.form-error {
    min-height: 1.2rem;
    margin: 0.4rem 0 0.8rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--accent);
    line-height: 1.4;
}

.form-error.is-info {
    color: var(--ink-soft);
    font-style: italic;
    font-family: var(--serif);
    font-size: 0.95rem;
    letter-spacing: 0;
    text-transform: none;
}

.form-ok {
    min-height: 1.2rem;
    margin: 0.4rem 0 0.8rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--ink-soft);
}

.link-quiet {
    color: var(--ink-soft);
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
    transition: color 0.2s;
    text-decoration: none;
}

.link-quiet:hover {
    color: var(--accent);
}

.nav-signout {
    width: 1.8rem;
    height: 1.8rem;
    display: grid;
    place-items: center;
    border: 1px solid var(--ink);
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    font-family: var(--serif);
    font-size: 1.1rem;
    line-height: 1;
    transition: background 0.2s, color 0.2s;
}

.nav-signout:hover {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

.archive-empty {
    padding: 1.6rem 0;
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--ink-soft);
    text-align: center;
}

/* === PAGE HEAD === */

.page-head {
    padding: 4rem 0 2rem;
    border-bottom: 1px solid var(--ink);
    margin-bottom: 2rem;
}

.page-title {
    font-family: var(--serif);
    font-weight: 500;
    font-size: clamp(3rem, 7vw, 5.5rem);
    line-height: 0.95;
    letter-spacing: -0.02em;
    text-transform: lowercase;
}

.page-sub {
    margin-top: 0.6rem;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--ink-soft);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.6rem;
    margin-top: 1.6rem;
}

.filter-pill {
    padding: 0.45rem 0.9rem;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: lowercase;
    color: var(--ink-soft);
    background: transparent;
    border: 1px solid var(--ink);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.filter-pill:hover { background: var(--bg-alt); color: var(--ink); }
.filter-pill.active {
    background: var(--ink);
    color: var(--bg);
}

.filter-sep {
    color: var(--ink-fade);
    font-family: var(--mono);
    padding: 0 0.3rem;
}

/* === LEADERBOARD === */

.lb-list {
    border-top: 1px solid var(--ink);
}

.lb-row {
    display: grid;
    grid-template-columns: 4rem 1fr auto;
    align-items: baseline;
    gap: 1rem;
    padding: 1.2rem 0;
    border-bottom: 1px solid rgba(26, 26, 26, 0.16);
    transition: background 0.2s;
}

.lb-row:hover { background: var(--bg-alt); }

.lb-row.is-me {
    background: var(--bg-alt);
    border-left: 3px solid var(--accent);
    padding-left: 1rem;
}

.lb-rank {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.6rem;
    color: var(--ink-soft);
}

.lb-row:nth-child(1) .lb-rank { color: var(--accent); font-size: 2rem; }
.lb-row:nth-child(2) .lb-rank,
.lb-row:nth-child(3) .lb-rank { color: var(--ink); }

.lb-handle {
    font-family: var(--mono);
    font-size: 0.95rem;
    letter-spacing: 0.04em;
}

.lb-you {
    font-family: var(--serif);
    font-style: italic;
    color: var(--accent);
    margin-left: 0.4rem;
    font-size: 1rem;
}

.lb-rating {
    font-family: var(--serif);
    font-size: 1.7rem;
    font-weight: 500;
    letter-spacing: -0.02em;
}

/* === RULES === */

.rules-doc {
    display: grid;
    gap: 0;
    border-top: 1px solid var(--ink);
}

.rule {
    display: grid;
    grid-template-columns: 5rem 1fr;
    gap: 2rem;
    padding: 2.4rem 0;
    border-bottom: 1px solid rgba(26, 26, 26, 0.18);
}

.rule-num {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 300;
    font-size: 3.2rem;
    color: var(--accent);
    line-height: 1;
}

.rule-body h3 {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: lowercase;
    margin-bottom: 0.8rem;
}

.rule-body p {
    font-family: var(--serif);
    font-size: 1.2rem;
    line-height: 1.55;
    color: var(--ink);
    max-width: 60ch;
}

.rule-body em {
    color: var(--accent);
    font-style: italic;
}

/* === PROFILE === */

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr 1fr;
    gap: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--ink);
}

.profile-portrait {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.portrait-frame {
    width: 100%;
    aspect-ratio: 1 / 1;
    border: 1px solid var(--ink);
    background: var(--bg-alt);
    display: grid;
    place-items: center;
    position: relative;
}

.portrait-frame::before {
    content: 'I';
    position: absolute;
    top: -1rem;
    left: -1rem;
    width: 2rem;
    height: 2rem;
    background: var(--bg);
    border: 1px solid var(--ink);
    display: grid;
    place-items: center;
    font-family: var(--serif);
    font-style: italic;
    color: var(--accent);
    font-size: 1rem;
}

.portrait-mark {
    font-family: var(--serif);
    font-size: clamp(4rem, 10vw, 7rem);
    font-weight: 400;
    color: var(--ink);
}

.portrait-meta {
    text-align: left;
}

.portrait-handle {
    font-family: var(--serif);
    font-size: 1.8rem;
    font-weight: 500;
}

.portrait-email {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--ink-soft);
    margin-top: 0.3rem;
    word-break: break-all;
}

.profile-form .btn-stage {
    width: 100%;
    margin-top: 0.4rem;
}

.profile-ratings {
    border-left: 1px solid var(--ink);
    padding-left: 2rem;
}

.profile-ratings-title {
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: lowercase;
    margin-bottom: 1rem;
    color: var(--ink-soft);
}

.profile-ratings-list { display: grid; gap: 0; }

.profile-rating-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.9rem 0;
    border-bottom: 1px solid rgba(26, 26, 26, 0.18);
}

.profile-rating-row:last-child { border-bottom: 0; }

.pr-subj {
    font-family: var(--serif);
    font-size: 1.15rem;
}

.pr-val {
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--ink);
}

.profile-form-line {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    padding: 0.5rem 0;
    flex-wrap: wrap;
}

.form-cell {
    font-family: var(--serif);
    font-size: 1.6rem;
    line-height: 1;
}

.form-cell.win  { color: var(--accent); }
.form-cell.loss { color: var(--ink-fade); }

.form-empty {
    font-family: var(--serif);
    font-style: italic;
    color: var(--ink-soft);
    font-size: 1rem;
}

/* === DUEL FINAL === */

.final-delta {
    display: inline-block;
    margin-left: 0.6rem;
    font-family: var(--mono);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
}

.final-delta.win  { color: var(--accent); }
.final-delta.loss { color: var(--ink-soft); }

/* === ADAPTIVE === */

@media (max-width: 1000px) {
    .landing-stage {
        grid-template-columns: 1fr;
        padding: 3rem 1.6rem;
        gap: 2.8rem;
    }

    .top-bar, .bottom-bar {
        padding: 1rem 1.4rem;
        gap: 0.6rem;
        flex-wrap: wrap;
        font-size: 0.65rem;
    }

    .nav {
        padding: 1rem 1.4rem;
        flex-wrap: wrap;
        gap: 0.8rem;
    }

    .nav-links {
        order: 3;
        width: 100%;
        justify-content: space-between;
        gap: 0.8rem;
    }

    .cabinet-stage { padding: 0 1.4rem 3rem; }

    .hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2.4rem 0;
    }

    .hero-divider { display: none; }

    .record { gap: 1rem; }

    .subjects { grid-template-columns: 1fr 1fr; }

    .subject { border-bottom: 1px solid var(--ink); }
    .subject:nth-child(2n) { border-right: 0; }
    .subject:nth-child(n+3) { border-bottom: 0; }

    .archive-row {
        grid-template-columns: 2.4rem 1fr 1fr;
        grid-template-areas:
            "result opp time"
            "result score subj"
            "result delta delta";
        gap: 0.4rem 0.8rem;
        padding: 1rem 0;
    }

    .archive-result { grid-area: result; }
    .archive-opp { grid-area: opp; }
    .archive-score { grid-area: score; }
    .archive-subj { grid-area: subj; }
    .archive-time { grid-area: time; text-align: right; }
    .archive-delta { grid-area: delta; }

    .duel-bar {
        grid-template-columns: 1fr 1fr;
        padding: 1rem 1.2rem;
        gap: 0.6rem;
    }

    .duel-bar-center {
        grid-column: 1 / -1;
        order: -1;
        padding: 0 0 0.6rem;
        border-bottom: 1px solid rgba(26,26,26,0.2);
        margin-bottom: 0.4rem;
    }

    .duel-stage {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        padding: 1.2rem 1rem;
        gap: 1rem;
    }

    .fighter-me  { order: 0; }
    .task-card   { order: 1; max-width: 100%; }
    .fighter-opp { order: 2; }

    .fighter {
        flex-direction: row;
        display: flex;
        gap: 0.8rem;
        padding: 0.4rem;
    }

    .fighter-figure { width: 80px; }
    .lives { font-size: 1.3rem; }

    .countdown-num { font-size: clamp(6rem, 30vw, 12rem); }

    .task-form { flex-direction: column; }

    .task-form input {
        border-right: 0;
        border-bottom: 1px solid var(--ink);
    }

    .cabinet-footer {
        flex-wrap: wrap;
        font-size: 0.65rem;
    }

    .masthead { gap: 0.25em; }

    .profile-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .profile-ratings {
        border-left: 0;
        border-top: 1px solid var(--ink);
        padding-left: 0;
        padding-top: 1.4rem;
    }

    .rule {
        grid-template-columns: 3rem 1fr;
        gap: 1rem;
        padding: 1.6rem 0;
    }

    .rule-num { font-size: 2.4rem; }
    .rule-body p { font-size: 1.05rem; }

    .lb-row {
        grid-template-columns: 3rem 1fr auto;
        padding: 0.9rem 0;
    }

    .filter-bar { gap: 0.4rem; }
    .filter-pill { padding: 0.4rem 0.7rem; font-size: 0.65rem; }
}