/* ── encoding.css — page-specific overrides & unique styles ── */

.header { margin-bottom: 2rem; }
.prompt-line { margin-bottom: 2rem; }

.panel-note {
    font-size: 0.75rem;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 1.8rem;
    padding-left: 2px;
}

/* ── Format pickers ── */
.fmt-row { margin-bottom: 1rem; }

.fmt-label {
    display: block;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.fmt-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.fmt-btn {
    font-family: inherit;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--accent);
    padding: 6px 13px;
    border-radius: 4px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.fmt-btn:hover { color: var(--text); border-color: var(--border-hover); }
.fmt-btn.active {
    color: var(--text-bright);
    border-color: var(--border-hover);
    background: var(--bg3);
}

/* ── Input ── */
.field { margin-bottom: 1rem; }

textarea {
    width: 100%;
    min-height: 130px;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.86rem;
    padding: 12px 14px;
    resize: vertical;
    line-height: 1.7;
    word-break: break-all;
    transition: border-color 0.15s;
}
textarea:focus { outline: none; border-color: var(--border-hover); }
textarea::placeholder { color: var(--text-dim); }

/* ── Swap ── */
.swap-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 1.6rem;
}

.swap-btn {
    font-family: inherit;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--bg2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 7px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.swap-btn:hover { color: var(--text-bright); border-color: var(--border-hover); background: var(--bg3); }

.byte-count {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
}

/* ── Output ── */
.result-block {
    margin-top: 1.4rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.result-block.error { border-color: var(--err-border); }

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
}
.result-block.error .result-header { background: var(--err-bg); border-bottom-color: var(--err-border-soft); }

.result-label {
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
}
.result-block.error .result-label { color: var(--err-text); }

.copy-btn {
    font-family: inherit;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}
.copy-btn:hover { color: var(--text); border-color: var(--text-dim); }
.copy-btn.copied { color: var(--text-bright); border-color: var(--text-bright); }

.result-body {
    padding: 14px;
    min-height: 90px;
    font-size: 0.86rem;
    line-height: 1.7;
    word-break: break-all;
    white-space: pre-wrap;
    color: var(--text-bright);
    background: var(--bg3);
}
.result-block.error .result-body { color: var(--err-text); }
.result-body.empty { color: var(--text-dim); }

/* ── Footnote ── */
.hint {
    margin-top: 1.6rem;
    font-size: 0.72rem;
    line-height: 1.8;
    color: var(--text-dim);
}
.hint b { color: var(--text); font-weight: normal; }
.hint code {
    font-family: inherit;
    color: var(--text);
    background: var(--glass);
    padding: 1px 5px;
    border-radius: 3px;
}