/* ── Section card (generic container) ── */
.hs-section-card {
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
    animation: fadeUp 0.35s ease-out both;
}

/* ── Text input ── */
.hs-textarea {
    width: 100%;
    min-height: 5.5rem;
    resize: vertical;
    background: var(--bg-0);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-1);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding: 0.75rem;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.hs-textarea--small { min-height: 4rem; }

.hs-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.08);
}

.hs-textarea::placeholder { color: var(--text-3); }

/* ── Options row ── */
.hs-options-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.hs-hmac-row.hidden { display: none; }

.hs-key-input {
    width: 100%;
    background: var(--bg-0);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-1);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: 0.6rem 0.75rem;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.hs-key-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.08);
}

.hs-field-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-3);
    margin-bottom: 0.5rem;
}

/* ── Output case / encoding toggle ── */
.hs-output-toggle {
    display: inline-flex;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-left: auto;
}

.hs-toggle-btn {
    background: var(--bg-2);
    border: none;
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    padding: 0.35rem 0.7rem;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.hs-toggle-btn + .hs-toggle-btn { border-left: 1px solid var(--border); }
.hs-toggle-btn:hover { background: var(--bg-3); color: var(--text-2); }
.hs-toggle-btn.active { background: var(--bg-3); color: var(--accent); }

/* ── Results table ── */
.hs-results-table {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1rem;
}

.hs-results-table:empty { display: none; }

.hs-result-row {
    display: grid;
    grid-template-columns: 8.5rem 1fr auto;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.875rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-1);
}

.hs-result-row:last-child { border-bottom: none; }
.hs-result-row:nth-child(even) { background: var(--bg-2); }

.hs-result-algo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-2);
    white-space: nowrap;
}

.hs-result-badge {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 0.08rem 0.32rem;
    border-radius: 3px;
    white-space: nowrap;
}

.hs-result-badge--legacy   { color: #f59e0b; background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.25); }
.hs-result-badge--checksum { color: var(--text-3); background: var(--bg-3); border: 1px solid var(--border); }

.hs-result-digest {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    word-break: break-all;
    min-width: 0;
}

.hs-copy-btn {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: 0.28rem 0.6rem;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
    white-space: nowrap;
}

.hs-copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.hs-copy-btn.hs-copied { color: var(--success) !important; border-color: rgba(34,197,94,0.4) !important; }

/* ── HMAC output ── */
.hs-hmac-output {
    margin-top: 0.5rem;
}

.hs-verify-src-tabs { margin-top: 0.25rem; }

/* ── Drop zone (file tab) ── */
.hs-drop-zone {
    position: relative;
    border: 1.5px dashed rgba(56, 189, 248, 0.25);
    border-radius: var(--radius);
    padding: 2.25rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    user-select: none;
    margin-bottom: 0.75rem;
}

.hs-drop-zone:hover,
.hs-drop-zone.hs-drag-over {
    border-color: rgba(56, 189, 248, 0.55);
    background: rgba(56, 189, 248, 0.03);
}

.hs-file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.hs-drop-icon { color: var(--accent); opacity: 0.6; margin-bottom: 0.5rem; }

.hs-drop-label {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-2);
    margin-bottom: 0.3rem;
}

.hs-drop-limit {
    font-size: 0.7rem;
    color: var(--text-3);
}

.hs-selected-file {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.875rem;
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
}

.hs-selected-file.hidden { display: none; }

.hs-sel-name {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-1);
    word-break: break-all;
    flex: 1;
}

.hs-sel-size {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-3);
    white-space: nowrap;
}

.hs-clear-btn {
    background: none;
    border: none;
    color: var(--text-3);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.1rem 0.3rem;
    transition: color 0.15s;
}

.hs-clear-btn:hover { color: var(--danger); }

/* ── Algorithm multi-select (file tab) ── */
.hs-algo-select {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
    gap: 0.35rem 0.75rem;
    margin-bottom: 0.5rem;
}

.hs-algo-actions {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 0.875rem;
}

.hs-mini-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-3);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.hs-mini-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Progress bar ── */
.hs-progress-wrap {
    margin: 0.875rem 0;
}

.hs-progress-wrap.hidden { display: none; }

.hs-progress-track {
    height: 6px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.hs-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width 0.15s linear;
}

.hs-progress-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-3);
    margin-top: 0.35rem;
}

/* ── Verify verdict ── */
.hs-verdict {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    border-left-width: 3px;
    margin-top: 0.875rem;
}

.hs-verdict.hidden { display: none; }

.hs-verdict--match    { border-left-color: var(--success); background: var(--success-dim); }
.hs-verdict--mismatch { border-left-color: #ef4444; background: rgba(239,68,68,0.07); }

.hs-verdict-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.55rem;
    border-radius: 3px;
    border: 1px solid transparent;
    white-space: nowrap;
    flex-shrink: 0;
    margin-top: 1px;
}

.hs-verdict-badge--match    { color: var(--success); background: rgba(34,197,94,0.15); border-color: rgba(34,197,94,0.3); }
.hs-verdict-badge--mismatch { color: #ef4444; background: rgba(239,68,68,0.12); border-color: rgba(239,68,68,0.3); }

.hs-verdict-body { flex: 1; min-width: 0; }

.hs-verdict-text {
    font-size: 0.82rem;
    color: var(--text-2);
    line-height: 1.55;
    margin-bottom: 0.5rem;
}

.hs-verdict-text strong { color: var(--text-1); }

.hs-verdict-diff {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    line-height: 1.8;
    word-break: break-all;
}

.hs-diff-row { display: flex; gap: 0.6rem; }
.hs-diff-label { color: var(--text-3); flex-shrink: 0; min-width: 4.5rem; }
.hs-diff-match { color: var(--text-2); }
.hs-diff-bad   { color: #ef4444; background: rgba(239,68,68,0.15); border-radius: 2px; }

/* ── Algorithm reference table ── */
.hs-reference {
    background: var(--bg-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 1.5rem 0 1rem;
}

.hs-ref-table { display: flex; flex-direction: column; }

.hs-ref-row {
    display: grid;
    grid-template-columns: 8.5rem 5rem 6.5rem 1fr;
    gap: 0.75rem;
    align-items: center;
    padding: 0.5rem 0.875rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.74rem;
}

.hs-ref-row:last-child { border-bottom: none; }

.hs-ref-row--header {
    background: var(--bg-2);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text-3);
}

.hs-ref-algo { font-family: var(--font-mono); color: var(--text-1); font-weight: 600; }
.hs-ref-size { font-family: var(--font-mono); color: var(--text-3); }
.hs-ref-note { color: var(--text-3); }

.hs-ref-status {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 0.12rem 0.4rem;
    border-radius: 3px;
    text-align: center;
    white-space: nowrap;
    border: 1px solid transparent;
}

.hs-ref-status--recommended { color: var(--success); background: var(--success-dim); border-color: rgba(34,197,94,0.2); }
.hs-ref-status--legacy      { color: #f59e0b; background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.2); }
.hs-ref-status--modern      { color: var(--accent); background: var(--accent-dim); border-color: rgba(56,189,248,0.2); }
.hs-ref-status--checksum    { color: var(--text-3); background: var(--bg-3); border-color: var(--border); }

/* ── SHA-512crypt section ── */
.hs-crypt-section { margin-top: 1.5rem; }

.hs-crypt-body {
    padding: 1rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hs-crypt-grid {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin: 0.5rem 0;
}

.hs-field-hint {
    font-family: var(--font-sans);
    font-weight: 400;
    letter-spacing: 0;
    color: var(--text-3);
    text-transform: none;
}

.hs-crypt-pw-row {
    display: flex;
    gap: 0.5rem;
}

.hs-crypt-pw-row .hs-key-input { flex: 1; min-width: 0; }
.hs-crypt-pw-row .hs-copy-btn { flex-shrink: 0; white-space: nowrap; }

.hs-crypt-verify-divider {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-3);
    border-top: 1px solid var(--border);
    padding-top: 1rem;
    margin-top: 0.5rem;
}

#hs-crypt-output {
    word-break: break-all;
}

/* ── Responsive ── */
@media (max-width: 700px) {
    .hs-result-row { grid-template-columns: 1fr; gap: 0.4rem; }
    .hs-result-digest { font-size: 0.72rem; }
    .hs-ref-row { grid-template-columns: 1fr 1fr; row-gap: 0.3rem; }
    .hs-ref-row--header { display: none; }
    .hs-ref-note { grid-column: 1 / -1; }
}

@media (max-width: 500px) {
    .hs-options-row { flex-direction: column; align-items: flex-start; }
    .hs-output-toggle { margin-left: 0; }
}