/* -------------------------------------------------------------
   Základní proměnné a reset
------------------------------------------------------------- */
:root {
    --bg: #0a0a0a;
    --panel: #121212cc;
    --text: #f6f6f6;
    --muted: #bdbdbd;
    --border: #222;
    --accent: #ff6f00;
    --accent2: #ff9b4a;
}

* { box-sizing: border-box; }

html,
body {
    margin: 0;
    background:
        radial-gradient(1000px 600px at 10% -20%, #181818 10%, transparent 50%),
        radial-gradient(1000px 600px at 120% 120%, #161616 12%, transparent 60%),
        var(--bg);
    color: var(--text);
    font-family: ui-sans-serif, system-ui, -apple-system,
                 Segoe UI, Roboto, Ubuntu, Cantarell,
                 "Helvetica Neue", Arial;
}

/* -------------------------------------------------------------
   Layout
------------------------------------------------------------- */
.wrap {
    max-width: 960px;
    margin: 32px auto;
    padding: 0 16px 160px;
}

header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.logo {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    box-shadow: 0 12px 30px #ff6f0033,
                inset 0 0 30px #fff1;
}

h1 { margin: 0; font-size: clamp(22px, 3vw, 32px); }

.sub {
    color: var(--muted);
    font-size: 13px;
    margin-top: 2px;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
@media (max-width: 840px) { .grid { grid-template-columns: 1fr; } }

/* Card */
.card {
    backdrop-filter: blur(10px);
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 16px;
}

/* Form controls */
label {
    display: block;
    margin: 6px 0 6px;
    font-weight: 700;
}

.ctrl {
    appearance: none;
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #0f0f0f;
    color: #f1f1f1;
    transition: .2s;
}
.ctrl:focus {
    outline: none;
    border-color: #2d2d2d;
    box-shadow: 0 0 0 3px #ff6f0015;
}

/* Row & badge */
.row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin: 6px 0;
}
.badge {
    font-size: 12px;
    color: #ddd;
    background: #0f0f0f;
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: 999px;
}

/* Misc */
.muted {
    color: #bdbdbd;
    font-size: 12px;
}
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #242424, transparent);
    margin: 10px 0;
}
.total {
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 900;
    letter-spacing: .2px;
}

/* Button */
.btn {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border: none;
    border-radius: 14px;
    font-weight: 800;
    cursor: pointer;
    background: linear-gradient(180deg, var(--accent), #ff8f2b);
    color: #111;
    box-shadow: 0 10px 22px #ff6f0045,
                inset 0 -2px 0 #0003;
    transition: transform .08s ease,
                box-shadow .2s ease;
}
.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 26px #ff6f0055,
                inset 0 -2px 0 #0005;
}

/* Sticky footer */
.sticky {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    background: #0d0d0deb;
    backdrop-filter: blur(8px);
    border-top: 1px solid #1f1f1f;
}
.sticky-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

/* Two‑column layout inside forms */
.two {
    display: grid;
    grid-template-columns: 1fr 1f;
    gap: 10px;
}
@media (max-width: 620px) { .two { grid-template-columns: 1fr; } }

/* Textarea size */
textarea.ctrl { min-height: 110px; resize: vertical; }

/* Checklist */
ul.check {
    margin: 8px 0 0 18px;
    color: #d6d6d6;
}
ul.check li { margin: 4px 0; }

/* Error highlight */
.err { box-shadow: 0 0 0 3px #ff3b3b66; }

/* Overlay (modal) */
.overlay {
    position: fixed;
    inset: 0;
    background: #000a;
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.sheet {
    max-width: 520px;
    margin: 16px;
    background: #111;
    border: 1px solid #222;
    border-radius: 16px;
    padding: 22px;
    text-align: center;
}

/* Details component */
details.formtech {
    margin-top: 24px;
    color: #aaa;
}
details.formtech summary { cursor: pointer; padding: 8px 0; }
details.formtech .note {
    font-size: 12px;
    color: #9f9f9f;
    margin-bottom: 6px;
}

/* Hidden iframe (if used later) */
iframe.hide { display: none; }