:root {
    --ci: #D6B46A;
    --ink: #1b1b1b;
    --muted: #6b6b6b;
    --paper: #f4f4f4;
    --card: #ffffff;
    --line: #e2e2e2;
    --line-strong: #cfcfcf;
    --header: #161616;
    --danger: #8a2f2f;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.04);
    --radius: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background: var(--paper);
    min-height: 100vh;
    line-height: 1.45;
}

a { color: var(--ink); }
img { max-width: 100%; height: auto; }

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.6rem;
    background: var(--header);
    color: #f5f5f5;
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 3px solid var(--ci);
}
.brand {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    gap: 0.05rem;
}
.brand strong {
    font-size: 0.95rem;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.brand span {
    font-size: 0.75rem;
    color: var(--ci);
    letter-spacing: 0.04em;
}
.header-user { display: flex; align-items: center; gap: 0.85rem; font-size: 0.85rem; color: #cfcfcf; }
.header-user form { margin: 0; }

.wrap { width: min(1120px, calc(100% - 2rem)); margin: 1.6rem auto 3rem; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; margin-bottom: 1.3rem; }
.page-head h1 {
    margin: 0;
    font-size: 1.45rem;
    font-weight: 650;
    letter-spacing: -0.02em;
}
.lede { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.92rem; }

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.25rem 1.3rem 1.35rem;
    margin-bottom: 1rem;
}
.card h2 {
    margin: 0 0 1rem;
    padding-bottom: 0.55rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink);
    border-bottom: 2px solid var(--ci);
}

.btn, button.btn, input.btn {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 0.55rem 1.05rem;
    font: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    background: var(--ci);
    color: var(--ink);
    min-height: 40px;
}
.btn:hover { filter: brightness(1.05); }
.btn-ghost {
    background: transparent;
    color: inherit;
    border-color: rgba(255, 255, 255, 0.28);
}
.header-user .btn-ghost:hover { border-color: var(--ci); color: var(--ci); }
.btn-soft {
    background: #fff;
    color: var(--ink);
    border-color: var(--line-strong);
}
.btn-soft:hover { border-color: var(--ci); }
.btn-warn { background: var(--ci); color: var(--ink); }
.btn-danger {
    background: #fff;
    color: var(--danger);
    border-color: #e0c4c4;
}
.btn-ms {
    background: var(--header);
    color: #fff;
    border-color: var(--header);
    font-weight: 650;
    padding: 0.8rem 1.35rem;
    width: 100%;
}
.btn-ms:hover { border-color: var(--ci); color: var(--ci); }

.flash {
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--line);
    background: #fff;
}
.flash-success { border-left: 3px solid var(--ci); }
.flash-error { border-left: 3px solid var(--danger); color: var(--danger); }

.grid-2, .grid-3, .grid-4 { display: grid; gap: 0.85rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 800px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .page-head { flex-direction: column; align-items: stretch; }
}

label.field { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.8rem; color: var(--muted); letter-spacing: 0.02em; }
label.field input, label.field textarea, label.field select {
    font: inherit;
    color: var(--ink);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    padding: 0.65rem 0.75rem;
    background: #fff;
    min-height: 42px;
}
label.field input:focus, label.field textarea:focus, label.field select:focus {
    outline: none;
    border-color: var(--ci);
    box-shadow: 0 0 0 3px rgba(214, 180, 106, 0.22);
}
label.field textarea { min-height: 88px; resize: vertical; }

.pills { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--line-strong);
    background: #fff;
    border-radius: var(--radius);
    padding: 0.5rem 0.8rem;
    min-height: 42px;
    cursor: pointer;
    user-select: none;
}
.pill input { width: 1.05rem; height: 1.05rem; accent-color: var(--ci); }
.pill:has(input:checked) {
    border-color: var(--ci);
    background: rgba(214, 180, 106, 0.16);
    font-weight: 600;
}

.searchbar { display: flex; gap: 0.6rem; }
.searchbar input {
    flex: 1;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    padding: 0.7rem 0.9rem;
    font: inherit;
}
.searchbar input:focus {
    outline: none;
    border-color: var(--ci);
    box-shadow: 0 0 0 3px rgba(214, 180, 106, 0.22);
}

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 0.8rem 0.5rem; border-bottom: 1px solid var(--line); }
.table th {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}
.table tr:hover td { background: rgba(214, 180, 106, 0.06); }
.badge {
    display: inline-block;
    border-radius: 2px;
    padding: 0.12rem 0.5rem;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: #efefef;
    color: var(--muted);
}
.badge-fertig { background: rgba(214, 180, 106, 0.22); color: var(--ink); }

.image-choice { position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.image-choice img { display: block; width: 100%; }
.image-choice__hits {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    position: absolute;
    inset: 18% 0 0 0;
}
.image-choice__hits label {
    display: block;
    cursor: pointer;
    background: transparent;
}
.image-choice__hits label:hover { background: rgba(214, 180, 106, 0.12); }
.image-choice__hits input { appearance: none; position: absolute; }
.image-choice__hits label:has(input:checked) {
    background: rgba(214, 180, 106, 0.22);
    box-shadow: inset 0 0 0 3px var(--ci);
}

.choice-legend { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.6rem; font-size: 0.82rem; color: var(--muted); }
.choice-legend span { flex: 1; min-width: 4.5rem; text-align: center; }

.gangbild-groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-top: 0.8rem; }
@media (max-width: 800px) { .gangbild-groups { grid-template-columns: 1fr; } }
.gangbild-groups h3 { margin: 0 0 0.4rem; font-size: 0.85rem; font-weight: 650; }

.gangbild-pick {
    position: relative;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
}
.gangbild-pick img { display: block; width: 100%; }
.gangbild-pick .gb-spot {
    position: absolute;
    top: 72.6%;
    width: 4.4%;
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    cursor: pointer;
    box-sizing: border-box;
}
.gangbild-pick .gb-spot--1 { left: 5.89%; }
.gangbild-pick .gb-spot--2 { left: 15.26%; }
.gangbild-pick .gb-spot--3 { left: 24.80%; }
.gangbild-pick .gb-spot--4 { left: 39.63%; }
.gangbild-pick .gb-spot--5 { left: 49.08%; }
.gangbild-pick .gb-spot--6 { left: 58.56%; }
.gangbild-pick .gb-spot--7 { left: 75.02%; }
.gangbild-pick .gb-spot--8 { left: 84.63%; }
.gangbild-pick .gb-spot--9 { left: 94.10%; }
.gangbild-pick .gb-spot:hover { background: rgba(214, 180, 106, 0.35); }
.gangbild-block:has(#gb-vorfuss-neutral:checked) .gb-spot--1,
.gangbild-block:has(#gb-vorfuss-abduziert:checked) .gb-spot--2,
.gangbild-block:has(#gb-vorfuss-adduziert:checked) .gb-spot--3,
.gangbild-block:has(#gb-beinachse-neutral:checked) .gb-spot--4,
.gangbild-block:has(#gb-beinachse-varus:checked) .gb-spot--5,
.gangbild-block:has(#gb-beinachse-valgus:checked) .gb-spot--6,
.gangbild-block:has(#gb-fussstellung-neutral:checked) .gb-spot--7,
.gangbild-block:has(#gb-fussstellung-innenrotiert:checked) .gb-spot--8,
.gangbild-block:has(#gb-fussstellung-aussenrotiert:checked) .gb-spot--9 {
    background: var(--ci);
    box-shadow: 0 0 0 2px #b39452;
}

.sticky-actions {
    position: sticky;
    bottom: 0;
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    padding: 0.85rem 0 0.4rem;
    background: linear-gradient(transparent, var(--paper) 28%);
}

.draw-board { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; margin-bottom: 1rem; }
.draw-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    align-items: center;
    padding: 0.6rem 0.75rem;
    background: #fafafa;
    border-bottom: 1px solid var(--line);
}
.draw-toolbar strong { font-size: 0.82rem; letter-spacing: 0.04em; text-transform: uppercase; margin-right: 0.4rem; }
.draw-toolbar button, .draw-toolbar label {
    border: 1px solid var(--line-strong);
    background: #fff;
    border-radius: var(--radius);
    padding: 0.35rem 0.6rem;
    font: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    min-height: 38px;
}
.draw-toolbar button.active { background: var(--ci); color: var(--ink); border-color: var(--ci); }
.draw-frame {
    position: relative;
    touch-action: none;
    background: #fff;
    width: 50%;
    margin-inline: auto;
}
.draw-frame img { display: block; width: 100%; pointer-events: none; user-select: none; }
.draw-frame canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    touch-action: none;
    cursor: crosshair;
}

.login-card {
    width: min(420px, calc(100% - 2rem));
    margin: 16vh auto;
    background: #fff;
    border-radius: var(--radius);
    padding: 2.1rem 1.8rem 1.8rem;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--line);
    border-top: 3px solid var(--ci);
}
.login-card .lede {
    margin: 0 0 0.35rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: 0.72rem;
    color: var(--ci);
    font-weight: 700;
}
.login-card h1 { margin: 0 0 0.55rem; font-size: 1.45rem; font-weight: 650; }
.login-card p { color: var(--muted); }
.auth-body {
    background: var(--header);
    min-height: 100vh;
}

.empty { text-align: center; padding: 2rem 1rem; color: var(--muted); }

.row-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.hint { font-size: 0.82rem; color: var(--muted); margin: 0 0 0.6rem; }
.cm-row { display: grid; grid-template-columns: 1fr auto auto; gap: 0.6rem; align-items: end; }
@media (max-width: 700px) { .cm-row { grid-template-columns: 1fr; } }