/* ============================================================================
   docufield — clinical-editorial theme
   paper + ink + a single annotation-red accent. Fraunces (display) over
   IBM Plex Mono (data). Hairline rules and registration ticks evoke a
   precision document instrument.
   ========================================================================== */

:root {
    --paper:      #ece4d4;   /* warm bone background           */
    --paper-2:    #f5efe3;   /* lifted card surface            */
    --paper-3:    #faf6ec;   /* brightest (inputs, image mat)  */
    --ink:        #1b1d20;   /* near-black                     */
    --ink-soft:   #4c5158;
    --ink-faint:  #8c8a80;
    --line:       #d4cbb7;   /* hairline                       */
    --line-2:     #c4b9a1;
    --accent:     #c8472e;   /* vermilion — marks, active      */
    --accent-ink: #9c321d;
    --ok:         #3f7a4f;
    --mid:        #b07d2b;
    --lo:         #b23b2e;

    --serif: 'Fraunces', 'Iowan Old Style', Georgia, serif;
    --mono:  'IBM Plex Mono', 'SFMono-Regular', ui-monospace, monospace;

    --shadow: 0 1px 0 rgba(27,29,32,.04), 0 14px 40px -22px rgba(27,29,32,.45);
    --shadow-sm: 0 1px 2px rgba(27,29,32,.06), 0 8px 22px -18px rgba(27,29,32,.4);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    background-color: var(--paper);
    /* faint registration grid + a soft top-light */
    background-image:
        radial-gradient(120% 80% at 50% -10%, rgba(255,252,244,.6), transparent 60%),
        linear-gradient(to right, rgba(27,29,32,.025) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(27,29,32,.025) 1px, transparent 1px);
    background-size: auto, 28px 28px, 28px 28px;
    color: var(--ink);
    font-family: var(--mono);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.page {
    max-width: 1180px;
    margin: 0 auto;
    padding: clamp(2rem, 5vw, 4.5rem) clamp(1.1rem, 4vw, 3rem) 4rem;
}

/* ── Masthead ─────────────────────────────────────────────────────────── */
.masthead { margin-bottom: clamp(1.6rem, 4vw, 2.6rem); }

.mark-row { display: flex; justify-content: space-between; align-items: baseline; }

.kicker {
    font-family: var(--mono);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .26em;
    text-transform: uppercase;
    color: var(--accent);
}
.kicker.dim { color: var(--ink-faint); letter-spacing: .18em; }

h1 {
    font-family: var(--serif);
    font-weight: 600;
    font-size: clamp(3rem, 9vw, 5.4rem);
    line-height: .92;
    letter-spacing: -.025em;
    margin: .35rem 0 0;
    color: var(--ink);
}

.rule {
    height: 2px;
    background: var(--ink);
    margin: 1.1rem 0 1rem;
    position: relative;
}
.rule::after {
    content: "";
    position: absolute;
    right: 0; top: -3px;
    width: 64px; height: 8px;
    background: var(--accent);
}

.lede {
    max-width: 46ch;
    font-size: .95rem;
    color: var(--ink-soft);
    margin: 0;
    line-height: 1.65;
}

/* ── Console (controls) ───────────────────────────────────────────────── */
.console {
    margin-top: clamp(1.6rem, 4vw, 2.4rem);
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(0, 1.7fr) auto;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line-2);
    box-shadow: var(--shadow);
}
.ctl {
    background: var(--paper-2);
    padding: 1.15rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
}
.ctl-run { justify-content: stretch; align-items: stretch; }

.ctl-lbl {
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: .6rem;
}

/* select */
.select-wrap { position: relative; }
.select-wrap select {
    -webkit-appearance: none; appearance: none;
    width: 100%;
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--ink);
    background: var(--paper-3);
    border: 1px solid var(--line-2);
    border-radius: 2px;
    padding: .6rem 2.2rem .6rem .75rem;
    cursor: pointer;
    transition: border-color .15s ease;
}
.select-wrap select:hover { border-color: var(--ink-soft); }
.select-wrap select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.select-caret {
    position: absolute; right: .85rem; top: 50%;
    width: 0; height: 0; transform: translateY(-25%);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--ink-soft);
    pointer-events: none;
}
.ctl-hint { margin: .6rem 0 0; font-size: .8rem; color: var(--ink-faint); }

/* dropzone */
.ctl-drop .dropzone {
    position: relative;
    flex: 1;
    min-height: 104px;
    border: 1.5px dashed var(--line-2);
    border-radius: 2px;
    background:
        repeating-linear-gradient(45deg, rgba(200,71,46,.018) 0 10px, transparent 10px 20px),
        var(--paper-3);
    display: grid;
    place-items: center;
    text-align: center;
    transition: border-color .15s ease, background-color .15s ease, transform .1s ease;
    overflow: hidden;
}
.ctl-drop .dropzone:hover { border-color: var(--ink-soft); }
.dropzone.is-hover { border-color: var(--accent); background-color: #fbeee9; }
.dropzone.has-file { border-style: solid; border-color: var(--ok); }
.dz-input {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    opacity: 0; cursor: pointer;
}
.dz-input::-webkit-file-upload-button { cursor: pointer; }
.dz-body { display: flex; flex-direction: column; align-items: center; gap: .25rem; padding: 1rem; pointer-events: none; }
.dz-icon { width: 30px; height: 30px; color: var(--ink-soft); margin-bottom: .35rem; }
.has-file .dz-icon { color: var(--ok); }
.dz-title {
    font-family: var(--serif);
    font-size: 1.05rem; font-weight: 500;
    color: var(--ink);
    max-width: 34ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.dz-sub { font-size: .76rem; color: var(--ink-faint); }

/* run button */
.run {
    height: 100%;
    min-width: 188px;
    display: flex; align-items: center; justify-content: center; gap: .6rem;
    font-family: var(--mono);
    font-size: .82rem; font-weight: 600;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--paper-3);
    background: var(--ink);
    border: none; border-radius: 0;
    padding: 1.2rem 1.6rem;
    cursor: pointer;
    transition: background-color .16s ease, transform .08s ease;
}
.run:hover:not(:disabled) { background: var(--accent); }
.run:active:not(:disabled) { transform: translateY(1px); }
.run:disabled { background: var(--line-2); color: var(--paper-2); cursor: not-allowed; }
.run-arrow { font-size: 1.05rem; transition: transform .16s ease; }
.run:hover:not(:disabled) .run-arrow { transform: translateX(3px); }

.spinner {
    width: 13px; height: 13px;
    border: 2px solid rgba(245,239,227,.35);
    border-top-color: var(--paper-3);
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Alert ────────────────────────────────────────────────────────────── */
.alert {
    margin-top: 1.4rem;
    padding: .85rem 1.1rem;
    background: #fbeae6;
    border: 1px solid var(--accent);
    border-left-width: 4px;
    border-radius: 2px;
    font-size: .88rem;
    color: var(--accent-ink);
}
.alert strong { font-weight: 600; }

/* ── Results ──────────────────────────────────────────────────────────── */
.results {
    margin-top: clamp(1.8rem, 4vw, 2.8rem);
    display: grid;
    grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(1.4rem, 3vw, 2.6rem);
    align-items: start;
}

.beleg { position: sticky; top: 1.5rem; }
.beleg-frame {
    position: relative;
    background: var(--paper-3);
    border: 1px solid var(--line-2);
    padding: 14px;
    box-shadow: var(--shadow-sm);
}
/* corner registration ticks */
.beleg-frame::before, .beleg-frame::after,
.beleg-frame > img::before {
    content: "";
}
.beleg-frame::before,
.beleg-frame::after {
    content: "";
    position: absolute;
    width: 14px; height: 14px;
    border: 2px solid var(--accent);
    pointer-events: none;
}
.beleg-frame::before { top: 5px; left: 5px; border-right: none; border-bottom: none; }
.beleg-frame::after  { bottom: 5px; right: 5px; border-left: none; border-top: none; }
.beleg-frame img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--line);
}
.beleg-meta {
    display: flex; justify-content: space-between; align-items: baseline;
    margin-top: .7rem;
    font-size: .74rem;
    color: var(--ink-faint);
    letter-spacing: .04em;
}
.bm-name { color: var(--ink-soft); }
.bm-dims { font-variant-numeric: tabular-nums; }

/* readout */
.readout { display: flex; flex-direction: column; gap: 1.7rem; }
.sec { }
.sec-title {
    font-family: var(--mono);
    font-size: .72rem; font-weight: 600;
    letter-spacing: .2em; text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 .15rem;
    padding-bottom: .5rem;
    border-bottom: 2px solid var(--ink);
    display: flex; align-items: center; gap: .6rem;
}
.rows { }

.row {
    display: grid;
    grid-template-columns: minmax(120px, 0.5fr) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
    padding: .62rem .2rem;
    border-bottom: 1px solid var(--line);
    opacity: 0;
    animation: rise .5s cubic-bezier(.2,.7,.3,1) both;
}
@keyframes rise {
    from { opacity: 0; transform: translateY(7px); }
    to   { opacity: 1; transform: translateY(0); }
}

.row-lbl {
    font-size: .82rem;
    color: var(--ink-soft);
    line-height: 1.4;
    padding-top: .1rem;
}
.row-val {
    display: flex; flex-wrap: wrap; align-items: baseline; gap: .55rem;
    min-width: 0;
}

.text { display: flex; flex-direction: column; gap: .1rem; min-width: 0; }
.line {
    font-size: .95rem;
    font-weight: 500;
    color: var(--ink);
    word-break: break-word;
}

.empty { color: var(--line-2); font-size: 1rem; }

/* checkbox / signature marks */
.mark {
    font-size: .76rem; font-weight: 600;
    letter-spacing: .04em;
    padding: .12rem .5rem;
    border-radius: 2px;
    text-transform: lowercase;
}
.mark.on {
    color: var(--paper-3);
    background: var(--accent);
}
.mark.on::before { content: "✕  "; font-weight: 700; }
.mark.off { color: var(--ink-faint); background: transparent; padding-left: 0; }

/* selected option value */
.chip-val {
    font-size: .92rem; font-weight: 600;
    color: var(--ink);
    padding: .1rem .55rem;
    background: var(--paper-3);
    border: 1px solid var(--line-2);
    border-radius: 2px;
}

/* confidence chip */
.conf {
    font-size: .68rem; font-weight: 600;
    letter-spacing: .03em;
    padding: .1rem .42rem;
    border-radius: 999px;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    align-self: center;
}
.conf.hi  { color: var(--ok);  background: rgba(63,122,79,.12); }
.conf.mid { color: var(--mid); background: rgba(176,125,43,.14); }
.conf.lo  { color: var(--lo);  background: rgba(178,59,46,.13); }

/* ── Footer ───────────────────────────────────────────────────────────── */
.foot {
    margin-top: 3.2rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--line);
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
    font-size: .72rem;
    color: var(--ink-soft);
    letter-spacing: .04em;
}
.foot .dim { color: var(--ink-faint); }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 860px) {
    .console { grid-template-columns: 1fr; }
    .run { width: 100%; padding: 1rem; }
    .results { grid-template-columns: 1fr; }
    .beleg { position: static; }
    .row { grid-template-columns: 1fr; gap: .2rem; }
    .row-lbl { font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-faint); }
}

/* ── Blazor error toast (framework) ───────────────────────────────────── */
#blazor-error-ui {
    display: none;
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--ink); color: var(--paper-3);
    padding: .7rem 1.2rem; font-size: .85rem; z-index: 1000;
}
#blazor-error-ui .reload { color: var(--accent); margin-left: .5rem; }
#blazor-error-ui .dismiss { cursor: pointer; float: right; }