@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    --board: #c7ae84;
    --board-dot: rgba(90, 70, 40, 0.28);
    --card: #f8f3e8;
    --card-edge: #e6dcc6;
    --ink: #2b2620;
    --ink-soft: #746a5b;
    --ink-faint: #a89a80;
    --rust: #a73b2a;
    --teal: #3e6e63;
    --ochre: #b98a2e;
    --indigo: #46516e;
    --paper-shadow: rgba(43, 38, 32, 0.28);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
    margin: 0; padding: 0; width: 100%; height: 100%;
    overflow: hidden;
    background: var(--board);
    font-family: 'IBM Plex Mono', monospace;
    color: var(--ink);
}

#board {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background-color: var(--board);
    background-image: radial-gradient(var(--board-dot) 1.3px, transparent 1.3px);
    background-size: 22px 22px;
}

/* ---- card ---- */
.card {
    position: relative;
    width: 320px;
    background: var(--card);
    border: 1px solid var(--card-edge);
    border-radius: 3px;
    padding: 30px 28px 22px;
    box-shadow: 0 10px 18px -6px var(--paper-shadow), 0 2px 4px rgba(43, 38, 32, 0.15);
    transform: rotate(-0.6deg);
    opacity: 0;
    animation: drop-in 0.5s cubic-bezier(.2,.8,.3,1) forwards;
}
@keyframes drop-in {
    from { opacity: 0; transform: rotate(-0.6deg) translateY(-10px) scale(0.96); }
    to   { opacity: 1; transform: rotate(-0.6deg) translateY(0) scale(1); }
}

.pin {
    position: absolute; top: -8px; left: 50%;
    transform: translateX(-50%);
    width: 14px; height: 14px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #ffffff88, var(--rust) 60%);
    box-shadow: 0 2px 3px rgba(0,0,0,0.35);
}

.card-top { display: flex; align-items: center; gap: 7px; margin-bottom: 4px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rust); flex: none; transition: background 0.2s; }
.card-title {
    font-family: 'Fraunces', serif;
    font-weight: 700;
    font-size: 19px;
    color: var(--ink);
    margin: 0;
}
.eyebrow {
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--teal);
    text-transform: uppercase;
    margin: 0 0 18px;
    padding-left: 15px;
}

.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: 9.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 5px;
}
.field-input-wrap {
    position: relative;
    border-bottom: 1px solid var(--card-edge);
    transition: border-color 0.15s;
}
.field-input-wrap:focus-within { border-color: var(--rust); }
.field input {
    width: 100%;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    color: var(--ink);
    background: transparent;
    border: none;
    outline: none;
    padding: 4px 26px 7px 0;
}
.field input::placeholder { color: var(--ink-faint); }

.toggle-visibility {
    position: absolute;
    right: 0; top: 2px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ink-faint);
    font-size: 9px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 4px 2px;
    font-family: 'IBM Plex Mono', monospace;
}
.toggle-visibility:hover { color: var(--rust); }

.msg {
    font-size: 11px;
    line-height: 1.5;
    min-height: 15px;
    margin: 2px 0 14px;
    color: var(--rust);
}
.msg.ok { color: var(--teal); }

.btn {
    width: 100%;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12.5px;
    letter-spacing: 0.03em;
    background: var(--ink);
    color: var(--card);
    border: none;
    border-radius: 4px;
    padding: 11px;
    cursor: pointer;
    transition: transform 0.1s, background 0.15s;
    margin-top: 4px;
}
.btn:hover { background: var(--rust); }
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: default; }

.switch-row {
    text-align: center;
    margin-top: 18px;
    font-size: 11.5px;
    color: var(--ink-soft);
}
.switch-link {
    background: none;
    border: none;
    color: var(--rust);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11.5px;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px;
    padding: 0;
}
.switch-link:hover { color: var(--indigo); }

.accession {
    position: absolute;
    bottom: 8px;
    right: 12px;
    font-size: 9px;
    letter-spacing: 0.03em;
    color: var(--ink-faint);
}

.stamp {
    position: absolute;
    top: 24px;
    right: 22px;
    width: 58px; height: 58px;
    border: 1.5px solid var(--teal);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--teal);
    font-family: 'Fraunces', serif;
    font-weight: 700;
    font-size: 9px;
    text-align: center;
    line-height: 1.2;
    transform: rotate(8deg);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
    letter-spacing: 0.04em;
}
.stamp.show { opacity: 0.85; }

.btn:focus-visible, .switch-link:focus-visible, .toggle-visibility:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .card { animation: none; opacity: 1; }
}

@media (max-width: 400px) {
    .card { width: 88vw; padding: 26px 20px 18px; }
}