/* A single reading flow: choose a direction, enter text, then copy the result. */
.number-converter {
    --number-ink: #172033;
    --number-muted: #475569;
    --number-accent: #1d4ed8;
    --number-strong: #1e3a8a;
    --number-line: #dbe4ef;
    --number-soft: #f1f5f9;
    --number-paper: #fff;
    --number-result: #eff6ff;
    max-width: 54rem;
    margin-inline: auto;
    color: var(--number-ink);
}
.number-directions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .25rem;
    padding: .25rem;
    max-width: 32rem;
    margin: 0 auto 1.5rem;
    background: var(--number-soft);
    border: 1px solid var(--number-line);
    border-radius: .85rem;
}
.number-directions a {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 44px;
    box-sizing: border-box;
    padding: .5rem .75rem;
    border: 1px solid transparent;
    border-radius: .6rem;
    color: var(--number-muted);
    text-decoration: none;
    transition: border-color .15s;
}
.number-directions a:hover { background: var(--number-paper); }
.number-directions a[aria-current=page] {
    color: var(--number-strong);
    background: var(--number-paper);
    border-color: var(--number-line);
    box-shadow: 0 3px 12px rgb(15 23 42 / 6%);
}
.number-directions a[aria-current=page]::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: 2.8rem;
    height: 3px;
    border-radius: 3px;
    background: var(--number-accent);
}
.number-directions a strong { font-size: .9rem; line-height: 1.5; text-align: center; overflow-wrap: anywhere; }
.number-converter .number-intro { color: var(--number-muted); font-size: .95rem; line-height: 1.7; margin: 0 0 1.4rem; }
.number-fields { display: flex; flex-direction: column; }
.number-fields > div { min-width: 0; }
.number-field-heading { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .75rem; }
.number-converter .number-field-heading label { display: flex; align-items: center; gap: .6rem; color: var(--number-ink); margin: 0; font-size: .95rem; line-height: 1.6; }
.number-step { display: inline-flex; align-items: center; justify-content: center; width: 1.7rem; height: 1.7rem; flex-shrink: 0; border-radius: 50%; background: var(--number-soft); color: var(--number-strong); font-size: .85rem; }
.number-converter textarea {
    display: block;
    width: 100%;
    box-sizing: border-box;
    min-height: 9rem;
    padding: 1rem 1.2rem;
    border: 1.5px solid var(--number-line);
    border-radius: .85rem;
    background: var(--number-soft);
    color: var(--number-ink);
    font: inherit!important;
    font-size: 1.15rem!important;
    line-height: 1.85;
    resize: vertical;
    transition: border-color .15s, box-shadow .15s;
}
.number-converter textarea::placeholder { color: var(--number-muted); opacity: .85; }
.number-converter textarea:focus { background: var(--number-paper); border-color: var(--number-accent); box-shadow: 0 0 0 3px rgb(29 78 216 / 10%); }
.number-flow { display: flex; align-items: center; justify-content: center; gap: 1rem; margin: 1.05rem 0; color: var(--number-accent); }
.number-flow > span { flex: 1; height: 1px; background: var(--number-line); }
.number-flow svg { width: 1.2rem; height: 1.2rem; box-sizing: content-box; padding: .65rem; border: 1px solid var(--number-line); border-radius: 50%; background: var(--number-paper); }
.number-result-panel { padding: 1.15rem; border: 1px solid var(--number-line); border-radius: 1.1rem; background: var(--number-result); }
.number-result-panel .number-step { background: var(--number-paper); }
.number-converter .number-output { background: var(--number-paper); }
.number-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; margin-top: .85rem; }
.number-converter button { font: inherit; font-size: .9rem; font-weight: 700; cursor: pointer; border-radius: .7rem; min-height: 2.75rem; }
.number-converter #number-clear { flex-shrink: 0; padding: .35rem .65rem; border: 0; background: transparent; color: var(--number-muted); }
.number-converter #number-clear:hover { background: var(--number-soft); color: var(--number-strong); }
.number-actions #copy-btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .6rem 1.1rem; background: #1e3a8a; color: #fff; border: 1px solid #1e3a8a; }
.number-actions #copy-btn svg { width: 1rem; height: 1rem; }
.number-actions #copy-btn:hover:enabled { background: #172554; }
.number-actions button:disabled { opacity: .55; cursor: not-allowed; }
.number-actions #number-status { color: #b91c1c; font-size: .9rem; margin: 0; }
.number-converter #number-privacy { font-size: .82rem; line-height: 1.9; color: var(--number-muted); margin: 1.15rem 0 0; }
.number-converter button:focus-visible, .number-directions a:focus-visible { outline: 3px solid var(--number-accent); outline-offset: 3px; }
html[data-theme=dark] .number-converter {
    --number-ink: #e2e8f0;
    --number-muted: #cbd5e1;
    --number-accent: #60a5fa;
    --number-strong: #bfdbfe;
    --number-line: #475569;
    --number-soft: #172033;
    --number-paper: #1e293b;
    --number-result: #17243b;
}
html[data-theme=dark] .number-actions #number-status { color: #fca5a5; }
@media (max-width: 640px) {
    .number-directions { margin-bottom: 1rem; }
    .number-directions a { padding: .25rem .35rem; }
    .number-directions a strong { font-size: clamp(.7rem, 3vw, .8rem); line-height: 1.35; }
}
@media (max-width: 480px) {
    .number-field-heading { align-items: flex-start; gap: .35rem; }
    .number-converter .number-field-heading label { font-size: .85rem; }
    .number-converter #number-clear { padding-inline: .35rem; font-size: .8rem; }
    .number-result-panel { padding: .85rem; }
    .number-converter textarea { padding: .85rem; font-size: 1.05rem!important; }
}
@media (prefers-reduced-motion: reduce) { .number-directions a { transition: none; } }