/* SW Keyword Density Checker — Styles
   Primary: #e97b33 | Accent: #01266f
   ---------------------------------------------------------- */

:root {
    --sw-primary: #e97b33;
    --sw-accent:  #01266f;
    --sw-success: #1a9e5f;
    --sw-warning: #d4a017;
    --sw-danger:  #c0392b;
    --sw-bg:      #f8f9fb;
    --sw-card:    #ffffff;
    --sw-border:  #e2e6ed;
    --sw-text:    #1e2535;
    --sw-muted:   #6b7280;
    --sw-radius:  10px;
    --sw-shadow:  0 2px 12px rgba(1,38,111,.08);
}

/* Wrapper */
.sw-kdc-wrap {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--sw-text);
    max-width: 900px;
    margin: 0 auto;
    padding: 0;
    box-sizing: border-box;
}
.sw-kdc-wrap *,
.sw-kdc-wrap *::before,
.sw-kdc-wrap *::after { box-sizing: inherit; }

/* Headings */
.sw-kdc-section-title {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--sw-accent);
    margin: 0 0 .4rem;
    padding: 0;
    border: none;
}
.sw-kdc-sub-heading {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--sw-accent);
    margin: 0 0 .3rem;
    padding: 0;
    border: none;
}
.sw-kdc-intro,
.sw-kdc-table-note {
    font-size: .93rem;
    color: var(--sw-muted);
    margin: 0 0 1.2rem;
    line-height: 1.6;
}

/* Input fields */
.sw-kdc-inputs { margin-bottom: 1.4rem; }

.sw-kdc-field { margin-bottom: 1rem; }
.sw-kdc-field label {
    display: block;
    font-size: .88rem;
    font-weight: 600;
    color: var(--sw-accent);
    margin-bottom: .4rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.sw-kdc-field textarea,
.sw-kdc-field input[type="text"] {
    width: 100%;
    padding: .75rem 1rem;
    border: 1.5px solid var(--sw-border);
    border-radius: var(--sw-radius);
    font-size: .97rem;
    color: var(--sw-text);
    background: var(--sw-card);
    transition: border-color .2s, box-shadow .2s;
    resize: vertical;
    outline: none;
    line-height: 1.6;
}
.sw-kdc-field textarea:focus,
.sw-kdc-field input[type="text"]:focus {
    border-color: var(--sw-primary);
    box-shadow: 0 0 0 3px rgba(233,123,51,.15);
}
.sw-kdc-counter {
    display: block;
    text-align: right;
    font-size: .8rem;
    color: var(--sw-muted);
    margin-top: .25rem;
}

/* Inline subfield row */
.sw-kdc-field--inline {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}
.sw-kdc-subfield { flex: 1 1 260px; }
.sw-kdc-actions {
    display: flex;
    gap: .6rem;
    flex-shrink: 0;
    padding-bottom: 0;
    align-items: flex-end;
}

/* Buttons */
.sw-kdc-btn {
    padding: .68rem 1.5rem;
    border: none;
    border-radius: var(--sw-radius);
    font-size: .96rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .18s, transform .1s, box-shadow .18s;
    white-space: nowrap;
}
.sw-kdc-btn:active { transform: scale(.97); }
.sw-kdc-btn--primary {
    background: var(--sw-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(233,123,51,.35);
}
.sw-kdc-btn--primary:hover { background: #d46a24; }
.sw-kdc-btn--secondary {
    background: var(--sw-bg);
    color: var(--sw-accent);
    border: 1.5px solid var(--sw-border);
}
.sw-kdc-btn--secondary:hover { background: #eef0f4; }

/* Status banner */
.sw-kdc-banner {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .85rem 1.2rem;
    border-radius: var(--sw-radius);
    font-size: .97rem;
    font-weight: 600;
    margin-bottom: 1.4rem;
}
.sw-kdc-banner--ideal  { background: #d4f5e5; color: #0d6e40; border-left: 5px solid var(--sw-success); }
.sw-kdc-banner--high   { background: #fef6db; color: #7a5a00; border-left: 5px solid var(--sw-warning); }
.sw-kdc-banner--danger { background: #fde8e8; color: #8b1a1a; border-left: 5px solid var(--sw-danger); }
.sw-kdc-banner--none   { background: #eef0f7; color: var(--sw-accent); border-left: 5px solid var(--sw-accent); }
.sw-kdc-banner .sw-kdc-banner-icon { font-size: 1.3rem; }

/* Metrics grid */
.sw-kdc-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.8rem;
}
.sw-kdc-metric-card {
    background: var(--sw-card);
    border: 1.5px solid var(--sw-border);
    border-radius: var(--sw-radius);
    padding: 1rem 1.1rem;
    box-shadow: var(--sw-shadow);
    display: flex;
    flex-direction: column;
    gap: .3rem;
}
.sw-kdc-metric-label {
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--sw-muted);
}
.sw-kdc-metric-value {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--sw-accent);
    line-height: 1.1;
}
.sw-kdc-metric-value.sw-val--yes { color: var(--sw-success); }
.sw-kdc-metric-value.sw-val--no  { color: var(--sw-danger); }
.sw-kdc-metric-sub {
    font-size: .75rem;
    color: var(--sw-muted);
    line-height: 1.4;
}

/* Top words table */
.sw-kdc-table-wrap {
    background: var(--sw-card);
    border: 1.5px solid var(--sw-border);
    border-radius: var(--sw-radius);
    padding: 1.2rem 1.3rem;
    box-shadow: var(--sw-shadow);
    margin-bottom: 1.8rem;
    overflow-x: auto;
}
.sw-kdc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .93rem;
}
.sw-kdc-table th {
    background: var(--sw-bg);
    color: var(--sw-accent);
    font-weight: 700;
    text-align: left;
    padding: .6rem .9rem;
    border-bottom: 2px solid var(--sw-border);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    white-space: nowrap;
}
.sw-kdc-table td {
    padding: .55rem .9rem;
    border-bottom: 1px solid var(--sw-border);
    vertical-align: middle;
}
.sw-kdc-table tbody tr:last-child td { border-bottom: none; }
.sw-kdc-table tbody tr:hover { background: #f5f7fb; }
.sw-kdc-table .sw-td-num { color: var(--sw-muted); width: 36px; }
.sw-kdc-table .sw-td-word { font-weight: 600; color: var(--sw-text); }
.sw-kdc-table .sw-td-freq { color: var(--sw-accent); font-weight: 700; }
.sw-kdc-table .sw-td-pct  { color: var(--sw-primary); font-weight: 600; }

/* keyword highlight in table */
.sw-kdc-table .sw-kw-match { color: var(--sw-primary); }

/* Preview panel */
.sw-kdc-preview-wrap {
    background: var(--sw-card);
    border: 1.5px solid var(--sw-border);
    border-radius: var(--sw-radius);
    padding: 1.2rem 1.3rem;
    box-shadow: var(--sw-shadow);
    margin-bottom: .5rem;
}
.sw-kdc-preview {
    font-size: .95rem;
    line-height: 1.85;
    color: var(--sw-text);
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 360px;
    overflow-y: auto;
    background: var(--sw-bg);
    padding: 1rem;
    border-radius: calc(var(--sw-radius) - 2px);
    border: 1px solid var(--sw-border);
}
.sw-kdc-preview mark {
    background: #ffe08a;
    color: #4a2c00;
    border-radius: 3px;
    padding: 0 2px;
    font-weight: 700;
}

/* Error */
.sw-kdc-error {
    background: #fde8e8;
    color: var(--sw-danger);
    border-left: 4px solid var(--sw-danger);
    padding: .8rem 1rem;
    border-radius: var(--sw-radius);
    font-size: .93rem;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 600px) {
    .sw-kdc-field--inline { flex-direction: column; }
    .sw-kdc-actions { width: 100%; }
    .sw-kdc-btn { flex: 1; text-align: center; }
    .sw-kdc-metrics { grid-template-columns: repeat(2, 1fr); }
    .sw-kdc-metric-value { font-size: 1.25rem; }
}