@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ============================================================
   Quantacqua – quantacqua.css
   Sdílený design systém pro všechny stránky.
   Nahrazuje style-shop.css, style-register.css, add-device.css, style.css.
   ============================================================ */

:root {
    --color-bg: #F4F7F6;
    --color-surface: #FFFFFF;
    --color-sunk: #ECF2F1;
    --color-ink: #0E2A32;
    --color-ink-soft: #4B6169;
    --color-primary: #0B6E76;
    --color-primary-dark: #084F55;
    --color-accent: #E1662E;
    --color-accent-dark: #C4531F;
    --color-line: #DCE6E4;
    --color-error: #C4432B;
    --color-success: #1C7A4E;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'IBM Plex Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(14, 42, 50, 0.08);
    --shadow-lg: 0 12px 40px rgba(14, 42, 50, 0.16);
    --container: min(1180px, 100% - 2.5rem);
}

[data-theme="dark"] {
    --color-bg: #07171B;
    --color-surface: #0E2A32;
    --color-sunk: #0A2128;
    --color-ink: #E7F0EF;
    --color-ink-soft: #90A9AE;
    --color-line: #1D3C45;
    --color-primary: #3FB3BD;
    --color-primary-dark: #7FD3DA;
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.55);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-ink);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0 0 0.5em;
    color: var(--color-ink);
}
a { color: var(--color-primary); }

.gauge-mark {
    display: inline-block;
    width: 1em; height: 1em;
    border-radius: 50%;
    background: conic-gradient(var(--color-accent) 0deg 120deg, var(--color-line) 120deg 360deg);
    position: relative;
    vertical-align: -0.15em;
}
.gauge-mark::after {
    content: '';
    position: absolute;
    inset: 22%;
    background: var(--color-surface);
    border-radius: 50%;
}

/* ---------- Header ---------- */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem clamp(1rem, 4vw, 2.5rem);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-line);
    position: sticky;
    top: 0;
    z-index: 40;
    flex-wrap: wrap;
}
.logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-ink);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5em;
}
.site-header nav {
    display: flex;
    align-items: center;
    gap: clamp(0.7rem, 2vw, 1.4rem);
    flex-wrap: wrap;
}
.site-header nav a {
    text-decoration: none;
    color: var(--color-ink-soft);
    font-size: 0.95rem;
    font-weight: 500;
}
.site-header nav a:hover { color: var(--color-primary); }
.site-header nav a.is-current {
    color: var(--color-ink);
    box-shadow: inset 0 -2px 0 var(--color-accent);
}

.nav-toggle {
    display: none;
    width: 40px; height: 40px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    background: var(--color-sunk);
    cursor: pointer;
    position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
    content: '';
    position: absolute;
    left: 50%;
    width: 18px; height: 2px;
    background: var(--color-ink);
    transform: translateX(-50%);
    border-radius: 2px;
}
.nav-toggle span { top: 50%; margin-top: -1px; }
.nav-toggle span::before { top: -6px; left: 0; transform: none; }
.nav-toggle span::after  { top: 6px;  left: 0; transform: none; }

.theme-toggle {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 1px solid var(--color-line);
    background: var(--color-sunk);
    cursor: pointer;
    display: grid;
    place-items: center;
    padding: 0;
}
.theme-toggle__dot {
    width: 14px; height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-ink) 50%, transparent 50%);
    border: 1.5px solid var(--color-ink);
}
.theme-toggle:hover { border-color: var(--color-primary); }

.cart-btn {
    background: var(--color-ink);
    color: var(--color-surface);
    border: none;
    border-radius: 999px;
    padding: 0.5em 1.1em;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    cursor: pointer;
}
[data-theme="dark"] .cart-btn { background: var(--color-primary); color: var(--color-bg); }
.cart-btn:hover { background: var(--color-primary-dark); }

@media (max-width: 760px) {
    .nav-toggle { display: block; order: 3; }
    .site-header nav {
        order: 4;
        width: 100%;
        display: none;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.9rem;
        padding-top: 0.9rem;
        border-top: 1px solid var(--color-line);
        margin-top: 0.4rem;
    }
    .site-header nav.is-open { display: flex; }
}

/* ---------- Layout ---------- */
main { flex: 1; }
.wrap {
    width: var(--container);
    margin: 0 auto;
    padding: clamp(1.5rem, 4vw, 3rem) 0 4rem;
}
.wrap-narrow {
    width: min(680px, 100% - 2.5rem);
    margin: 0 auto;
    padding: clamp(1.5rem, 4vw, 3rem) 0 4rem;
}
.page-head { margin-bottom: 1.75rem; }
.page-head h1 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); margin-bottom: 0.25rem; }
.page-head p { color: var(--color-ink-soft); margin: 0; }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-ink-soft);
}

/* ---------- Panels ---------- */
.panel {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    padding: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: 1.25rem;
}
.panel h2, .panel h3 { font-size: 1.05rem; margin: 0 0 0.3rem; }
.panel-note { font-size: 0.88rem; color: var(--color-ink-soft); margin: 0 0 1.1rem; }
.panel.is-danger { border-color: rgba(196,67,43,0.45); }

/* ---------- Buttons ---------- */
.btn-primary, .btn-solid {
    background: var(--color-accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.75em 1.4em;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.98rem;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease;
}
.btn-primary:hover, .btn-solid:hover { background: var(--color-accent-dark); }
.btn-primary:active, .btn-solid:active { transform: scale(0.98); }
.btn-primary:disabled, .btn-solid:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-block { width: 100%; }

.btn-ghost {
    background: none;
    border: 1px solid var(--color-line);
    color: var(--color-ink-soft);
    border-radius: 999px;
    padding: 0.5em 1.1em;
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-danger {
    background: none;
    border: 1px solid var(--color-error);
    color: var(--color-error);
    border-radius: var(--radius-sm);
    padding: 0.65em 1.2em;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    font-family: var(--font-body);
}
.btn-danger:hover { background: var(--color-error); color: #fff; }

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    text-decoration: underline;
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0;
    font-family: var(--font-body);
}

button:focus-visible, a:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ---------- Forms ---------- */
.field { margin-bottom: 1rem; }
.field-label, label.field-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--color-ink-soft);
    margin-bottom: 0.35rem;
}
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="search"], input[type="date"],
input[type="time"], select, textarea {
    width: 100%;
    padding: 0.7em 0.95em;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 0.98rem;
}
input::placeholder { color: var(--color-ink-soft); opacity: 0.75; }
textarea { min-height: 100px; resize: vertical; }

.error { color: var(--color-error); font-size: 0.9rem; margin-top: 0.6rem; min-height: 1.2em; }
.success { color: var(--color-success); font-size: 0.9rem; margin-top: 0.6rem; min-height: 1.2em; }
.hint { font-size: 0.9rem; color: var(--color-ink-soft); margin-top: 1rem; }
.status-line { font-family: var(--font-mono); font-size: 0.85rem; min-height: 1.2em; margin: 0.7rem 0 0; }

/* ---------- Auth pages ---------- */
.auth-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem 4rem;
}
.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: clamp(1.5rem, 5vw, 2.5rem);
    width: 100%;
    max-width: 420px;
}
.auth-card h1 { font-size: 1.3rem; display: flex; align-items: center; gap: 0.4em; margin-bottom: 0.15em; }
.auth-card h2 { font-size: 1.05rem; color: var(--color-ink-soft); font-weight: 500; margin-bottom: 1.5rem; }
.divider {
    text-align: center;
    color: var(--color-ink-soft);
    font-size: 0.82rem;
    margin: 1.4rem 0;
    position: relative;
}
.divider::before, .divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--color-line);
}
.divider::before { left: 0; }
.divider::after { right: 0; }
.row-buttons { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.9rem; }

/* ---------- Shop ---------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr));
    gap: 1.5rem;
}
.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--color-primary); }
.product-card img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    background: var(--color-sunk);
}
.product-card .card-body { padding: 1rem 1.1rem; display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.product-card h3 { margin: 0; font-size: 1.05rem; }
.product-card .desc { color: var(--color-ink-soft); font-size: 0.9rem; flex: 1; margin: 0; }
.product-card .price {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}
.product-card .btn-primary { margin: 0 1.1rem 1.1rem; }
.stock-out { font-family: var(--font-mono); font-size: 0.78rem; color: var(--color-accent); }

.diy-callout {
    margin-top: 3rem;
    background: var(--color-ink);
    color: #E7F0EF;
    border-radius: var(--radius);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}
[data-theme="dark"] .diy-callout { background: var(--color-sunk); border: 1px solid var(--color-line); }
.diy-callout h3 { color: #fff; margin-bottom: 0.3em; }
.diy-callout p { margin: 0; color: #B7C9C7; max-width: 46ch; }
.btn-github {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    background: transparent;
    border: 1px solid #4C6864;
    color: #fff;
    text-decoration: none;
    padding: 0.75em 1.3em;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    white-space: nowrap;
}
.btn-github:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ---------- Cart panel ---------- */
.cart-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: min(420px, 100%);
    height: 100%;
    background: var(--color-surface);
    border-left: 1px solid var(--color-line);
    box-shadow: var(--shadow-lg);
    padding: clamp(1.25rem, 4vw, 1.75rem);
    overflow-y: auto;
    transform: translateX(105%);
    transition: transform 0.28s cubic-bezier(0.22,0.61,0.36,1);
    z-index: 60;
    display: flex;
    flex-direction: column;
}
.cart-panel.open { transform: translateX(0); }
.cart-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.cart-head h2 { margin: 0; font-size: 1.2rem; }
.cart-close { background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--color-ink-soft); line-height: 1; }
.cart-item {
    display: grid;
    grid-template-columns: 48px 1fr auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-line);
}
.cart-item img { width: 48px; height: 48px; object-fit: cover; border-radius: 6px; background: var(--color-sunk); }
.cart-item-name { font-size: 0.92rem; }
.cart-item-price { font-family: var(--font-mono); font-size: 0.85rem; color: var(--color-ink-soft); }
.qty { display: flex; align-items: center; gap: 0.35rem; margin-top: 0.3rem; }
.qty button {
    width: 24px; height: 24px;
    border: 1px solid var(--color-line);
    background: var(--color-bg);
    color: var(--color-ink);
    border-radius: 6px;
    cursor: pointer;
    line-height: 1;
    font-size: 0.9rem;
}
.qty span { font-family: var(--font-mono); font-size: 0.88rem; min-width: 1.5em; text-align: center; }
.cart-remove { background: none; border: none; color: var(--color-error); cursor: pointer; font-size: 1rem; }
.cart-total {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 600;
    margin: 1.25rem 0 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-line);
}
.cart-empty { color: var(--color-ink-soft); text-align: center; padding: 2.5rem 0; }
.cart-foot { margin-top: auto; }

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(7,23,27,0.5);
    z-index: 55;
    display: none;
}
.overlay.open { display: block; }

/* ---------- Checkout / doprava ---------- */
.checkout-steps { display: flex; gap: 0.5rem; margin-bottom: 1.25rem; }
.step-pill {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-ink-soft);
    padding-top: 0.5rem;
    border-top: 2px solid var(--color-line);
}
.step-pill.is-active { color: var(--color-ink); border-top-color: var(--color-accent); }

.carrier-option {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    padding: 0.9rem 1rem;
    margin-bottom: 0.75rem;
    cursor: pointer;
    background: var(--color-bg);
}
.carrier-option:hover { border-color: var(--color-primary); }
.carrier-option.is-selected { border-color: var(--color-accent); background: var(--color-surface); box-shadow: inset 0 0 0 1px var(--color-accent); }
.carrier-option input { width: auto; margin-top: 0.25rem; accent-color: var(--color-accent); }
.carrier-name { font-weight: 600; font-size: 0.98rem; }
.carrier-desc { font-size: 0.85rem; color: var(--color-ink-soft); }
.carrier-price { font-family: var(--font-mono); margin-left: auto; font-size: 0.92rem; white-space: nowrap; }

.pickup-box {
    border: 1px dashed var(--color-line);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin: 0.75rem 0 1rem;
    background: var(--color-bg);
}
.pickup-box.is-set { border-style: solid; border-color: var(--color-success); }
.pickup-name { font-weight: 600; font-size: 0.95rem; }
.pickup-addr { font-family: var(--font-mono); font-size: 0.82rem; color: var(--color-ink-soft); margin-top: 0.2rem; }
.pickup-empty { color: var(--color-ink-soft); font-size: 0.9rem; }

#ppl-widget-host { width: 100%; min-height: 560px; }

/* ---------- Modal ---------- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(7,23,27,0.6);
    z-index: 100;
    padding: 1rem;
    overflow-y: auto;
    backdrop-filter: blur(2px);
}
.modal-overlay.open { display: block; }
.modal-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: min(780px, 100%);
    margin: 6vh auto 3rem;
    padding: 1.75rem;
}
.modal-card.is-wide { width: min(940px, 100%); }
.modal-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
.modal-head h2 { margin: 0; font-size: 1.3rem; }
.modal-close { background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--color-ink-soft); line-height: 1; }
.modal-actions { display: flex; gap: 0.7rem; flex-wrap: wrap; margin-top: 1.25rem; }

.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; }
@media (max-width: 640px) { .product-detail { grid-template-columns: 1fr; } }
.detail-main-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius-sm); background: var(--color-sunk); }
.detail-thumbs { display: flex; gap: 0.5rem; margin-top: 0.6rem; flex-wrap: wrap; }
.detail-thumbs img {
    width: 62px; height: 46px;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    border: 2px solid transparent;
    background: var(--color-sunk);
}
.detail-thumbs img.active { border-color: var(--color-accent); }
.detail-price { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: var(--color-primary-dark); }

/* ---------- Tables ---------- */
.table-scroll {
    overflow-x: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
}
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td {
    text-align: left;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--color-line);
    font-size: 0.92rem;
    white-space: nowrap;
}
th {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-ink-soft);
    background: var(--color-sunk);
}
tr:last-child td { border-bottom: none; }
td.mono, .mono { font-family: var(--font-mono); }

.badge {
    display: inline-block;
    padding: 0.25em 0.7em;
    border-radius: 999px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
}
.badge-nova { background: #FDECD8; color: #A85B12; }
.badge-zpracovava_se { background: #DCEEFB; color: #1D5C8A; }
.badge-odeslana { background: #E4E9FE; color: #3B4CB8; }
.badge-dokoncena { background: #DDF3E4; color: #1C7A4E; }
.badge-zrusena { background: #FBE0DD; color: #C4432B; }

/* ---------- Tabs (admin, account) ---------- */
.tabs {
    display: flex;
    gap: 0.4rem;
    border-bottom: 1px solid var(--color-line);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}
.tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.7em 1.1em;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-ink-soft);
    cursor: pointer;
    white-space: nowrap;
    margin-bottom: -1px;
}
.tab-btn:hover { color: var(--color-ink); }
.tab-btn.active { color: var(--color-ink); border-bottom-color: var(--color-accent); font-weight: 600; }

/* ---------- Empty states ---------- */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    border: 1px dashed var(--color-line);
    border-radius: var(--radius);
    color: var(--color-ink-soft);
    background: var(--color-surface);
}
.empty-state strong { display: block; color: var(--color-ink); font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 0.35rem; }

/* ---------- Toast ---------- */
.toast-host {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    pointer-events: none;
}
.toast {
    background: var(--color-ink);
    color: #fff;
    padding: 0.7em 1.2em;
    border-radius: 999px;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.25s ease;
}
[data-theme="dark"] .toast { background: var(--color-primary); color: var(--color-bg); }
.toast.is-error { background: var(--color-error); color: #fff; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-top: 1.75rem;
}
.contact-card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    padding: 1.4rem;
}
.contact-card h3 { font-size: 0.95rem; margin-bottom: 0.4rem; }
.contact-card p { color: var(--color-ink-soft); font-family: var(--font-mono); font-size: 0.9rem; margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-ink-soft);
    font-size: 0.85rem;
    border-top: 1px solid var(--color-line);
}

/* ---------- Add-device wizard ---------- */
.step { display: none; flex-direction: column; gap: 1rem; }
.step.active { display: flex; }
.kod-display {
    background: var(--color-bg);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 1.1rem;
    text-align: center;
    letter-spacing: 0.25em;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-mono);
}
.status-row { display: flex; align-items: center; justify-content: center; gap: 0.5rem; font-size: 0.92rem; color: var(--color-ink-soft); }
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--color-line); }
.dot.waiting { background: var(--color-accent); animation: pulse 1.2s infinite; }
.dot.ok { background: var(--color-success); }
.dot.err { background: var(--color-error); }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.info-text { font-size: 0.9rem; color: var(--color-ink-soft); text-align: center; line-height: 1.6; }

.tvary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 0.6rem; }
.tvar-card {
    background: var(--color-bg);
    border: 2px solid var(--color-line);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.5rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
}
.tvar-card:hover { border-color: var(--color-primary); }
.tvar-card.selected { border-color: var(--color-accent); background: var(--color-surface); }
.tvar-card svg { width: 54px; height: 46px; }
.tvar-card span { font-size: 0.76rem; text-align: center; color: var(--color-ink-soft); }
.param-inputs { display: flex; flex-direction: column; gap: 0.85rem; }
.param-row { display: flex; flex-direction: column; gap: 0.3rem; }
.param-row label { font-size: 0.85rem; color: var(--color-ink-soft); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
}