/* ======================================================================
   turingtest.club  —  classified dossier stylesheet
   Palette:
     Redaction Black   #1c1b19
     Dossier Cream     #f5f0e6
     Stamp Red         #b33a3a
     Carbon Blue       #2c3e6b
     Typewriter Gray   #6b6560
     Clearance Amber   #c49332
   Fonts: Courier Prime (display), Source Serif 4 (body), IBM Plex Mono (data)
   ====================================================================== */

:root {
    --c-black:   #1c1b19;
    --c-cream:   #f5f0e6;
    --c-red:     #b33a3a;
    --c-blue:    #2c3e6b;
    --c-gray:    #6b6560;
    --c-amber:   #c49332;

    --c-cream-soft: #ede6d6;
    --c-cream-deep: #e6dec9;

    --shadow-page: 4px 0 8px rgba(28, 27, 25, 0.10),
                   0 1px 2px rgba(28, 27, 25, 0.05);

    --shadow-page-inner: inset -1px 0 0 rgba(28, 27, 25, 0.08);

    --header-h: 38px;

    --strike-shadow: 0.5px 0.5px 0 rgba(28, 27, 25, 0.30);

    --font-display: 'Courier Prime', 'IBM Plex Mono', monospace;
    --font-body:    'Source Serif 4', 'Source Serif Pro', Georgia, serif;
    --font-mono:    'IBM Plex Mono', 'Courier Prime', monospace;
}

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

html {
    background: #1c1b19;
    color: var(--c-black);
}

body {
    min-height: 100vh;
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.7;
    color: var(--c-black);
    /* sepia/file-cabinet backdrop with subtle scanline grain */
    background:
        repeating-linear-gradient(
            0deg,
            rgba(28, 27, 25, 0.04) 0,
            rgba(28, 27, 25, 0.04) 1px,
            transparent 1px,
            transparent 4px
        ),
        radial-gradient(circle at 20% 20%, #2a2723 0%, #1c1b19 60%);
    padding-top: var(--header-h);
}

/* ----------- clearance badge header ----------- */
.clearance-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--c-black);
    color: var(--c-cream);
    padding: 0.55rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.78rem;
    z-index: 50;
    border-bottom: 1px solid var(--c-amber);
    box-shadow: 0 2px 0 rgba(196, 147, 50, 0.18),
                0 4px 14px rgba(0, 0, 0, 0.5);
}

.clearance-bar > div {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.cb-mark {
    color: var(--c-amber);
    font-size: 0.7rem;
    line-height: 1;
}

.cb-name {
    color: var(--c-cream);
    text-shadow: var(--strike-shadow);
    font-weight: 700;
}

.cb-level {
    color: var(--c-amber);
    border: 1px solid var(--c-amber);
    padding: 0.15rem 0.55rem;
    letter-spacing: 0.25em;
}

.cb-label {
    color: var(--c-gray);
    letter-spacing: 0.2em;
}

.cb-serial {
    color: var(--c-cream);
    font-family: var(--font-mono);
    letter-spacing: 0.1em;
}

/* polygraph strip just under header */
.polygraph-strip {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    height: 22px;
    background: var(--c-black);
    border-bottom: 1px solid rgba(196, 147, 50, 0.25);
    overflow: hidden;
    z-index: 49;
}

.polygraph-top {
    width: 100%;
    height: 100%;
    display: block;
}

.polygraph-top path {
    fill: none;
    stroke: var(--c-amber);
    stroke-width: 1.1;
    stroke-linejoin: round;
    stroke-linecap: round;
    opacity: 0.55;
    stroke-dasharray: 6 4;
    animation: poly-march 6s linear infinite;
}

@keyframes poly-march {
    from { stroke-dashoffset: 0; }
    to   { stroke-dashoffset: -200; }
}

/* ----------- dossier wrapper ----------- */
.dossier {
    position: relative;
    padding: 22px 0 5rem;  /* allow strip room */
    max-width: 1280px;
    margin: 0 auto;
}

/* observation sidebar (sticky right) */
.observation-sidebar {
    position: fixed;
    top: calc(var(--header-h) + 22px + 1.25rem);
    right: max(1rem, calc(50% - 640px + 1rem));
    width: 200px;
    z-index: 30;
    pointer-events: auto;
}

.clipboard {
    position: relative;
    background: var(--c-cream);
    border: 1px solid var(--c-gray);
    box-shadow:
        4px 4px 0 rgba(28, 27, 25, 0.22),
        inset 0 0 0 1px rgba(28, 27, 25, 0.05);
    padding: 1.6rem 1rem 1rem;
    color: var(--c-black);
    font-size: 0.78rem;
    line-height: 1.4;
}

.clip {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    width: 56px;
    height: 22px;
    background:
        linear-gradient(to bottom, #8a8478 0%, #6b6560 50%, #5a544f 100%);
    border-radius: 3px 3px 6px 6px;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.35);
}

.clip::before {
    content: "";
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 4px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 2px;
}

.clip-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-shadow: var(--strike-shadow);
    color: var(--c-black);
    margin-bottom: 2px;
}

.clip-sub {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    color: var(--c-gray);
    text-transform: uppercase;
    margin-bottom: 0.85rem;
    border-bottom: 1px dashed var(--c-gray);
    padding-bottom: 0.5rem;
}

.criteria {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.criteria li {
    display: grid;
    grid-template-columns: 14px 1fr;
    grid-template-rows: auto auto;
    column-gap: 0.4rem;
    row-gap: 0.25rem;
    align-items: center;
}

.cbox {
    grid-row: 1;
    grid-column: 1;
    width: 12px;
    height: 12px;
    border: 1.2px solid var(--c-black);
    background: transparent;
    position: relative;
    transition: background 200ms ease;
}

.cbox.checked {
    background: var(--c-cream-soft);
}

.cbox.checked::after {
    content: "";
    position: absolute;
    inset: 1px;
    background:
        linear-gradient(45deg, transparent 45%, var(--c-blue) 45%, var(--c-blue) 55%, transparent 55%),
        linear-gradient(-45deg, transparent 45%, var(--c-blue) 45%, var(--c-blue) 55%, transparent 55%);
    transform: rotate(8deg);
}

.ctext {
    grid-row: 1;
    grid-column: 2;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    color: var(--c-black);
    text-transform: uppercase;
}

.bar {
    grid-row: 2;
    grid-column: 1 / -1;
    height: 4px;
    background: var(--c-cream-deep);
    border: 1px solid rgba(28, 27, 25, 0.25);
    overflow: hidden;
}

.bar-fill {
    display: block;
    height: 100%;
    width: var(--progress, 0%);
    background: linear-gradient(
        to right,
        var(--c-amber) 0%,
        var(--c-amber) 100%
    );
    transition: width 380ms ease;
}

.clip-note {
    margin-top: 0.85rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--c-gray);
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 0.75rem;
    color: var(--c-gray);
    font-style: italic;
}

.hand-strike {
    text-decoration: line-through;
    text-decoration-color: var(--c-red);
    text-decoration-thickness: 1.5px;
}

.polygraph {
    width: 100%;
    height: 36px;
    margin-top: 0.7rem;
    display: block;
}

.polygraph path {
    fill: none;
    stroke: var(--c-blue);
    stroke-width: 1.2;
    opacity: 0.30;
    stroke-dasharray: 360;
    stroke-dashoffset: 0;
    animation: poly-side 8s linear infinite;
}

@keyframes poly-side {
    from { stroke-dashoffset: 0; }
    to   { stroke-dashoffset: -720; }
}

.meta-line {
    margin-top: 0.7rem;
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--c-gray);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-top: 1px solid var(--c-cream-deep);
    padding-top: 0.4rem;
}

/* ----------- generic doc/page ----------- */
.doc {
    position: relative;
    background: var(--c-cream);
    max-width: 900px;
    margin: 2rem auto;
    padding: 2.5rem 3rem 2.75rem;
    box-shadow: var(--shadow-page);
    color: var(--c-black);
    /* faint paper tint - tiny noise via radial gradient blots */
    background-image:
        radial-gradient(circle at 12% 8%, rgba(107, 101, 96, 0.05) 0, transparent 28%),
        radial-gradient(circle at 88% 92%, rgba(107, 101, 96, 0.05) 0, transparent 26%),
        linear-gradient(180deg, var(--c-cream) 0%, var(--c-cream) 100%);
    border-top: 1px solid rgba(28, 27, 25, 0.06);
    border-bottom: 1px solid rgba(28, 27, 25, 0.06);
}

.doc::before {
    /* left edge "binding" hint */
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 4px;
    background: linear-gradient(
        to right,
        rgba(28, 27, 25, 0.18) 0,
        rgba(28, 27, 25, 0.06) 60%,
        transparent 100%
    );
    pointer-events: none;
}

.doc::after {
    /* hole-punches */
    content: "";
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 200px;
    background:
        radial-gradient(circle at 4px 16px, rgba(28, 27, 25, 0.55) 0 3px, transparent 4px),
        radial-gradient(circle at 4px 100px, rgba(28, 27, 25, 0.55) 0 3px, transparent 4px),
        radial-gradient(circle at 4px 184px, rgba(28, 27, 25, 0.55) 0 3px, transparent 4px);
    background-size: 8px 200px;
    background-repeat: no-repeat;
    pointer-events: none;
    opacity: 0.55;
}

/* doc head */
.doc-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--c-black);
    position: relative;
}

.doc-title {
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--c-black);
    text-shadow: var(--strike-shadow);
    line-height: 1.1;
}

.doc-sub {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--c-gray);
}

/* stamps */
.stamp {
    display: inline-block;
    transform: rotate(-5deg);
    border: 3px solid var(--c-red);
    padding: 0.25rem 0.75rem;
    text-transform: uppercase;
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--c-red);
    letter-spacing: 0.18em;
    font-size: 0.85rem;
    opacity: 0.7;
    background: transparent;
    margin-left: auto;
    text-shadow: var(--strike-shadow);
}

.stamp-classified {
    color: var(--c-red);
    border-color: var(--c-red);
}

.stamp-review,
.stamp-pending {
    color: var(--c-red);
    border-color: var(--c-red);
    transform: rotate(-3deg);
}

/* ----------- redactions ----------- */
.redacted {
    background: var(--c-black);
    color: var(--c-black);
    padding: 0 0.25rem;
    transition: color 200ms ease, background 200ms ease;
    cursor: help;
    border-radius: 1px;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
    user-select: none;
}

.redacted:hover,
.redacted.unredacted {
    color: var(--c-cream);
    background: var(--c-black);
    user-select: text;
}

.redacted::after {
    content: "";
}

/* ----------- cover sheet ----------- */
.cover-sheet {
    padding-top: 3rem;
    padding-bottom: 3rem;
    text-align: left;
}

.page-corner-clip {
    position: absolute;
    top: 0;
    right: 0;
    width: 70px;
    height: 70px;
    background:
        linear-gradient(135deg, transparent 0 50%, rgba(28, 27, 25, 0.18) 50% 52%, var(--c-cream-deep) 52% 100%);
    pointer-events: none;
}

.cover-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cover-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    color: var(--c-gray);
    text-transform: uppercase;
}

.cover-meta b {
    color: var(--c-black);
    font-weight: 500;
    margin-right: 0.4rem;
}

.cover-title {
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--c-black);
    letter-spacing: 0.04em;
    line-height: 1.05;
    font-size: clamp(2.2rem, 6vw, 4rem);
    margin-bottom: 1.5rem;
    text-shadow: var(--strike-shadow);
}

.cover-title .title-line {
    display: inline-block;
    border-top: 4px double var(--c-black);
    border-bottom: 4px double var(--c-black);
    padding: 0.05em 0.2em;
}

.cover-title .subtitle {
    display: block;
    font-family: var(--font-body);
    font-style: italic;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0.01em;
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--c-gray);
    text-shadow: none;
    margin-top: 0.6rem;
}

.lede {
    max-width: 60ch;
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 1rem;
    color: var(--c-black);
}

.lede strong {
    color: var(--c-blue);
    font-weight: 600;
}

.serial-inline {
    font-family: var(--font-mono);
    color: var(--c-blue);
    border-bottom: 1px solid var(--c-blue);
    padding: 0 0.15em;
}

.cover-strip {
    margin-top: 2.25rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--c-black);
    border-collapse: collapse;
}

.cs-cell {
    padding: 0.7rem 0.9rem;
    border-right: 1px solid var(--c-black);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    background: var(--c-cream);
}

.cs-cell:last-child {
    border-right: none;
}

.cs-k {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--c-gray);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.cs-v {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    color: var(--c-black);
    text-shadow: var(--strike-shadow);
    letter-spacing: 0.05em;
}

/* ----------- fold divider ----------- */
.fold-divider {
    position: relative;
    margin: 2.5rem 0 0;
    height: 18px;
    background: linear-gradient(
        to right,
        transparent 0%,
        var(--c-gray) 12%,
        var(--c-gray) 88%,
        transparent 100%
    );
    background-size: 6px 1px;
    background-repeat: repeat-x;
    background-position: 0 50%;
}

.fold-divider::before {
    /* dashed line core */
    content: "";
    position: absolute;
    top: 50%;
    left: 5%;
    right: 5%;
    height: 0;
    border-top: 1px dashed var(--c-gray);
    transform: translateY(-50%);
    background: none;
}

.fold-notch {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -55%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 8px solid var(--c-gray);
    background: transparent;
}

.fold-notch::after {
    content: "";
    position: absolute;
    top: 8px;
    left: -6px;
    width: 12px;
    height: 1px;
    background: var(--c-cream);
}

/* ----------- transcript ----------- */
.transcript-key {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.key-col {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--c-gray);
}

.key-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: inline-block;
}

.key-blue { background: var(--c-blue); }
.key-red  { background: var(--c-red); }

.key-label { color: var(--c-black); }

.transcript-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.msg {
    background: var(--c-cream);
    padding: 1rem;
    border-top: 3px solid var(--c-blue);
    border-left: 1px solid rgba(28, 27, 25, 0.12);
    border-right: 1px solid rgba(28, 27, 25, 0.12);
    border-bottom: 1px solid rgba(28, 27, 25, 0.12);
    box-shadow: inset 0 0 0 1px var(--c-cream-soft);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--c-black);
    position: relative;
    transition: transform 220ms ease, box-shadow 220ms ease;
}

.msg-b {
    border-top-color: var(--c-red);
}

.msg-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--c-gray);
    margin-bottom: 0.5rem;
    border-bottom: 1px dashed rgba(28, 27, 25, 0.18);
    padding-bottom: 0.35rem;
    letter-spacing: 0.08em;
}

.msg-meta .ts {
    color: var(--c-blue);
}

.msg-b .msg-meta .ts {
    color: var(--c-red);
}

.msg-meta .cls {
    color: var(--c-amber);
    letter-spacing: 0.16em;
}

.msg-body {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.55;
}

.msg.msg-active {
    transform: translateY(-1px);
    box-shadow: inset 0 0 0 1px var(--c-cream-soft),
                0 4px 0 rgba(196, 147, 50, 0.22);
}

.caption {
    margin-top: 1.5rem;
    font-family: var(--font-body);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--c-gray);
    text-align: center;
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
}

/* ----------- log ----------- */
.log-entries {
    list-style: none;
    counter-reset: logc;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.log-entries li {
    counter-increment: logc;
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 1rem;
    align-items: start;
    padding: 0.75rem 0;
    border-bottom: 1px dashed var(--c-gray);
    position: relative;
}

.log-entries li:last-child { border-bottom: none; }

.log-entries li::before {
    content: counter(logc, decimal-leading-zero);
    position: absolute;
    top: 0.75rem;
    left: -2.4rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--c-amber);
    letter-spacing: 0.18em;
}

.log-time {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--c-blue);
    letter-spacing: 0.12em;
    border-right: 1px solid var(--c-gray);
    padding-right: 0.75rem;
    text-align: right;
    align-self: stretch;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding-top: 0.15rem;
}

.log-entries p {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--c-black);
}

.mono-inline {
    font-family: var(--font-mono);
    font-size: 0.95em;
    color: var(--c-blue);
}

/* ----------- chart ----------- */
.chart-intro {
    max-width: 60ch;
    margin-bottom: 1.5rem;
    font-family: var(--font-body);
    color: var(--c-black);
}

.chart-frame {
    position: relative;
    background: var(--c-cream-soft);
    border: 1px solid var(--c-gray);
    padding: 1.5rem 2rem 1rem 2.6rem;
    margin-bottom: 1rem;
}

.chart-grid-bg {
    position: absolute;
    inset: 1.4rem 1.8rem 2.5rem 2.4rem;
    background-image:
        linear-gradient(to right, rgba(107, 101, 96, 0.30) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(107, 101, 96, 0.20) 1px, transparent 1px);
    background-size: 40px 22px;
    pointer-events: none;
    z-index: 0;
}

.chart-yaxis {
    position: absolute;
    top: 1.5rem;
    bottom: 2.5rem;
    left: 0.6rem;
    width: 1.7rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--c-gray);
    letter-spacing: 0.1em;
    z-index: 1;
}

.chart-svg {
    position: relative;
    width: 100%;
    height: 220px;
    display: block;
    z-index: 1;
}

.trace {
    fill: none;
    stroke-width: 1.5;
    stroke-linejoin: round;
    stroke-linecap: round;
    stroke-dasharray: 1800;
    stroke-dashoffset: 1800;
    transition: stroke-dashoffset 1800ms ease;
}

.trace-a {
    stroke: var(--c-blue);
}

.trace-b {
    stroke: var(--c-red);
    opacity: 0.85;
}

.chart-frame.in-view .trace-a,
.chart-frame.in-view .trace-b {
    stroke-dashoffset: 0;
}

.anno {
    stroke: var(--c-amber);
    stroke-width: 1;
    stroke-dasharray: 3 3;
    opacity: 0.75;
}

.anno-text {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    fill: var(--c-amber);
    letter-spacing: 0.1em;
}

.chart-xaxis {
    display: flex;
    justify-content: space-between;
    margin-top: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--c-gray);
    letter-spacing: 0.1em;
}

.chart-legend {
    display: flex;
    gap: 1.25rem;
    margin-top: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--c-black);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.lg-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    margin-right: 0.4rem;
    vertical-align: middle;
}

.lg-blue { background: var(--c-blue); }
.lg-red  { background: var(--c-red); }

/* ----------- memo ----------- */
.memo-doc {
    border-left: 4px solid var(--c-amber);
}

.memo-head {
    align-items: center;
}

.memo-doc p {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.75;
    margin-bottom: 1rem;
    max-width: 62ch;
}

.signature {
    margin-top: 1.5rem;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--c-black);
}

.sig-name {
    font-family: 'Source Serif 4', Georgia, serif;
    font-style: italic;
    font-size: 1.4rem;
    color: var(--c-blue);
    border-bottom: 1px dashed var(--c-blue);
    padding-bottom: 0.1rem;
    display: inline-block;
}

.sig-role {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--c-gray);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.memo-footer {
    margin-top: 1.75rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--c-black);
    border-bottom: 1px solid var(--c-black);
    padding: 0.75rem 0;
}

.mf-cell {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0 0.5rem;
    border-right: 1px dashed var(--c-gray);
}

.mf-cell:last-child {
    border-right: none;
}

.mf-k {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--c-gray);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.mf-v {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--c-black);
    text-shadow: var(--strike-shadow);
}

/* ----------- admit form ----------- */
.admit-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem 1.5rem;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-family: var(--font-mono);
}

.field-wide {
    grid-column: 1 / -1;
}

.field-row {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.field-k {
    font-size: 0.7rem;
    color: var(--c-gray);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.field input[type="text"],
.field textarea {
    width: 100%;
    background: var(--c-cream-soft);
    border: 1px solid var(--c-gray);
    border-bottom: 2px solid var(--c-black);
    padding: 0.6rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--c-black);
    border-radius: 0;
    outline: none;
    transition: border-color 180ms ease, background 180ms ease;
    resize: vertical;
}

.field input[type="text"]::placeholder,
.field textarea::placeholder {
    color: var(--c-gray);
    font-style: italic;
}

.field input[type="text"]:hover,
.field textarea:hover,
.field input[type="text"]:focus,
.field textarea:focus {
    border-color: var(--c-blue);
    background: var(--c-cream);
}

.radios {
    display: flex;
    gap: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--c-black);
}

.radios label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.radios input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 13px;
    height: 13px;
    border: 1.5px solid var(--c-black);
    border-radius: 50%;
    background: transparent;
    margin: 0;
    position: relative;
    transition: background 200ms ease;
    cursor: pointer;
}

.radios input[type="radio"]:checked {
    background: var(--c-amber);
    box-shadow: inset 0 0 0 2px var(--c-cream);
}

.submit-btn {
    grid-column: 1 / -1;
    justify-self: start;
    background: var(--c-black);
    color: var(--c-cream);
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.22em;
    padding: 0.85rem 1.6rem;
    border: 2px solid var(--c-black);
    text-transform: uppercase;
    cursor: pointer;
    transition: background 200ms ease, color 200ms ease, transform 200ms ease;
    text-shadow: var(--strike-shadow);
}

.submit-btn:hover {
    background: var(--c-amber);
    color: var(--c-black);
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0 var(--c-black);
}

.form-status {
    grid-column: 1 / -1;
    min-height: 1.5em;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--c-blue);
    letter-spacing: 0.06em;
}

.form-status.ok {
    color: var(--c-blue);
}

.form-status.err {
    color: var(--c-red);
}

/* ----------- footer ----------- */
.footer-doc {
    background: var(--c-black);
    color: var(--c-cream);
    margin-top: 3rem;
    padding: 2.5rem 3rem 2rem;
    box-shadow: 4px 0 8px rgba(28, 27, 25, 0.4);
}

.footer-doc::before,
.footer-doc::after {
    display: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px dashed var(--c-gray);
    padding-bottom: 1.25rem;
}

.footer-grid > div {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.ft-k {
    font-family: var(--font-display);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    color: var(--c-amber);
    text-transform: uppercase;
    text-shadow: var(--strike-shadow);
}

.ft-v {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--c-cream);
    line-height: 1.5;
}

.ft-v em { color: var(--c-gray); }

.footer-fine {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--c-gray);
    letter-spacing: 0.06em;
}

.footer-doc .redacted {
    background: var(--c-cream);
    color: var(--c-cream);
}

.footer-doc .redacted:hover,
.footer-doc .redacted.unredacted {
    color: var(--c-black);
    background: var(--c-cream);
}

/* ----------- responsive ----------- */
@media (max-width: 1100px) {
    .observation-sidebar {
        right: 1rem;
        width: 180px;
    }
    .doc {
        margin: 2rem auto 2rem 1rem;
    }
}

@media (max-width: 900px) {
    .doc {
        max-width: calc(100% - 2rem);
        margin: 1.5rem auto;
        padding: 2rem 1.6rem 2.25rem;
    }
    .doc::after { display: none; }
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    .clearance-bar {
        font-size: 0.7rem;
        padding: 0.5rem 0.9rem;
    }
    .clearance-center { display: none; }

    /* sidebar -> bottom horizontal bar */
    .observation-sidebar {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        z-index: 40;
    }
    .clipboard {
        display: grid;
        grid-template-columns: 1fr 1fr;
        column-gap: 0.75rem;
        row-gap: 0.4rem;
        padding: 0.75rem 1rem 0.85rem;
        max-height: 130px;
        overflow: hidden;
        border: none;
        border-top: 1px solid var(--c-amber);
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.4);
        background: var(--c-cream);
    }
    .clip { display: none; }
    .clip-title { font-size: 0.72rem; }
    .clip-sub {
        font-size: 0.6rem;
        margin-bottom: 0;
        border-bottom: none;
        padding-bottom: 0;
    }
    .criteria {
        grid-column: 1 / -1;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.4rem 0.8rem;
    }
    .criteria li {
        flex: 1 1 45%;
        min-width: 130px;
    }
    .ctext { font-size: 0.6rem; }
    .clip-note,
    .polygraph,
    .meta-line { display: none; }

    .dossier { padding-bottom: 150px; }

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

    .cover-strip,
    .memo-footer,
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cs-cell:nth-child(2) { border-right: none; }
    .cs-cell:nth-child(odd) { border-right: 1px solid var(--c-black); }
    .mf-cell:nth-child(2) { border-right: none; }

    .admit-form { grid-template-columns: 1fr; }

    .log-entries li {
        grid-template-columns: 60px 1fr;
        gap: 0.6rem;
    }
    .log-entries li::before {
        left: 0;
        top: 0.4rem;
    }
}

@media (max-width: 480px) {
    .doc {
        padding: 1.6rem 1.2rem 1.8rem;
    }
    .cover-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    .stamp { font-size: 0.7rem; padding: 0.2rem 0.55rem; }
    .clearance-bar { letter-spacing: 0.08em; }
    .footer-doc { padding: 1.5rem 1.2rem; }
}

/* ----------- reduced motion ----------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
    .trace-a,
    .trace-b {
        stroke-dashoffset: 0;
    }
}