/* ═══════════════════════════════════════════════════════
   Calf Weight & ADG Calculator v2.0 — WordPress Plugin
   Now with breed correction, reliability indicators,
   and group guidance (Sherwin et al. 2021)
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:wght@400;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');

:root {
    --cwc-bg: #faf8f5;
    --cwc-card: #ffffff;
    --cwc-border: #e5e0d8;
    --cwc-accent: #2d5016;
    --cwc-accent-light: #e8f0e0;
    --cwc-accent-muted: #5a7a3a;
    --cwc-text: #2c2416;
    --cwc-text-muted: #7a7062;
    --cwc-warm: #f5f0e8;
    --cwc-input-bg: #fdfcfa;
    --cwc-poor: #dc2626;
    --cwc-poor-bg: #fef2f2;
    --cwc-fair: #d97706;
    --cwc-fair-bg: #fffbeb;
    --cwc-good: #16a34a;
    --cwc-good-bg: #f0fdf4;
    --cwc-blue: #2563eb;
    --cwc-blue-bg: #eff6ff;
    --cwc-blue-border: #bfdbfe;
    --cwc-orange: #c2410c;
    --cwc-orange-bg: #fff7ed;
    --cwc-orange-border: #fed7aa;
}

.cwc-wrap {
    max-width: 560px;
    margin: 0 auto;
    padding: 24px 16px;
    font-family: 'Crimson Pro', Georgia, serif;
    color: var(--cwc-text);
    background: var(--cwc-bg);
    border-radius: 12px;
    box-sizing: border-box;
}

.cwc-wrap *,
.cwc-wrap *::before,
.cwc-wrap *::after {
    box-sizing: border-box;
}

/* Header */
.cwc-header {
    text-align: center;
    margin-bottom: 24px;
}

.cwc-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--cwc-accent);
    letter-spacing: -0.5px;
    margin: 0 0 4px;
    line-height: 1.2;
    font-family: 'Crimson Pro', Georgia, serif;
}

.cwc-subtitle {
    font-size: 13px;
    color: var(--cwc-text-muted);
    margin: 0;
    font-family: 'DM Sans', sans-serif;
}

/* Unit Toggle */
.cwc-unit-toggle {
    display: flex;
    justify-content: center;
    gap: 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--cwc-border);
    width: fit-content;
    margin: 0 auto 16px;
}

.cwc-unit-btn {
    padding: 8px 20px;
    border: none;
    background: var(--cwc-card);
    color: var(--cwc-text-muted);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s;
}

.cwc-unit-btn.active {
    background: var(--cwc-accent);
    color: #fff;
}

/* Tabs */
.cwc-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--cwc-border);
}

.cwc-tab {
    flex: 1;
    padding: 10px 0;
    border: none;
    background: var(--cwc-card);
    color: var(--cwc-text-muted);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    transition: all 0.2s;
}

.cwc-tab.active {
    background: var(--cwc-accent);
    color: #fff;
}

/* Card */
.cwc-card {
    background: var(--cwc-card);
    border: 1px solid var(--cwc-border);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 12px;
}

/* Formula Select */
.cwc-formula-select {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.cwc-formula-btn {
    flex: 1;
    padding: 10px 8px;
    border: 2px solid var(--cwc-border);
    border-radius: 8px;
    background: var(--cwc-card);
    color: var(--cwc-text-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    text-align: center;
    transition: all 0.2s;
}

.cwc-formula-btn.active {
    border-color: var(--cwc-accent);
    background: var(--cwc-accent-light);
    color: var(--cwc-accent);
}

.cwc-formula-small {
    display: block;
    font-size: 10px;
    font-weight: 400;
    margin-top: 2px;
    opacity: 0.7;
}

/* ─── Breed Selector ──────────────────────────────── */
.cwc-breed-select {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
}

.cwc-breed-btn {
    flex: 1;
    padding: 7px 6px;
    border: 1.5px solid var(--cwc-border);
    border-radius: 6px;
    background: var(--cwc-card);
    color: var(--cwc-text-muted);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    text-align: center;
    transition: all 0.2s;
}

.cwc-breed-btn.active {
    border-color: var(--cwc-accent);
    background: var(--cwc-accent-light);
    color: var(--cwc-accent);
}

.cwc-breed-note {
    font-size: 11px;
    font-family: 'DM Sans', sans-serif;
    color: var(--cwc-blue);
    background: var(--cwc-blue-bg);
    border: 1px solid var(--cwc-blue-border);
    border-radius: 6px;
    padding: 8px 10px;
    margin-bottom: 14px;
    line-height: 1.4;
}

/* Section / Measurement Labels */
.cwc-section-label {
    font-size: 14px;
    font-weight: 700;
    color: var(--cwc-accent);
    margin-bottom: 12px;
    font-family: 'DM Sans', sans-serif;
}

.cwc-section-label-sm {
    font-size: 12px;
    margin-bottom: 8px;
}

.cwc-measurement-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--cwc-text-muted);
    margin-bottom: 8px;
    margin-top: 8px;
    font-family: 'DM Sans', sans-serif;
}

/* Form Elements */
.cwc-row {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.cwc-col {
    flex: 1;
    min-width: 0;
}

.cwc-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--cwc-text-muted);
    margin-bottom: 6px;
    font-family: 'DM Sans', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cwc-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--cwc-border);
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Crimson Pro', Georgia, serif;
    background: var(--cwc-input-bg);
    color: var(--cwc-text);
    outline: none;
    transition: border-color 0.2s;
}

.cwc-input:focus {
    border-color: var(--cwc-accent);
}

/* Result Box */
.cwc-result {
    background: var(--cwc-accent-light);
    border: 2px solid var(--cwc-accent);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    margin-top: 16px;
    margin-bottom: 16px;
}

.cwc-result-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--cwc-accent);
    line-height: 1;
}

.cwc-result-label {
    font-size: 13px;
    color: var(--cwc-accent-muted);
    margin-top: 4px;
    font-family: 'DM Sans', sans-serif;
}

.cwc-result-detail {
    font-size: 13px;
    color: var(--cwc-text-muted);
    font-family: 'DM Sans', sans-serif;
    margin-bottom: 8px;
}

.cwc-result-sub {
    font-size: 11px;
    color: var(--cwc-text-muted);
    font-family: 'DM Sans', sans-serif;
    margin-top: 6px;
    font-style: italic;
}

.cwc-accuracy-note {
    font-size: 11px;
    color: var(--cwc-text-muted);
    font-family: 'DM Sans', sans-serif;
    margin-top: 10px;
}

.cwc-accuracy-icon {
    color: var(--cwc-good);
    font-size: 8px;
    vertical-align: middle;
    margin-right: 4px;
}

/* ─── ADG Badge ───────────────────────────────────── */
.cwc-adg-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 13px;
    font-family: 'DM Sans', sans-serif;
    margin-top: 8px;
}

.cwc-adg-badge.poor   { background: var(--cwc-poor-bg); color: var(--cwc-poor); }
.cwc-adg-badge.fair   { background: var(--cwc-fair-bg); color: var(--cwc-fair); }
.cwc-adg-badge.good   { background: var(--cwc-good-bg); color: var(--cwc-good); }

/* ─── Reliability Indicator ───────────────────────── */
.cwc-reliability-box {
    margin-top: 14px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 12px;
    font-family: 'DM Sans', sans-serif;
    line-height: 1.5;
    text-align: left;
}

.cwc-reliability-box.high {
    background: var(--cwc-good-bg);
    border: 1px solid #bbf7d0;
    color: #15803d;
}

.cwc-reliability-box.medium {
    background: var(--cwc-fair-bg);
    border: 1px solid var(--cwc-orange-border);
    color: var(--cwc-orange);
}

.cwc-reliability-box.low {
    background: var(--cwc-poor-bg);
    border: 1px solid #fecaca;
    color: var(--cwc-poor);
}

.cwc-reliability-title {
    font-weight: 700;
    margin-bottom: 2px;
}

.cwc-reliability-bar-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.cwc-reliability-bar {
    flex: 1;
    height: 6px;
    background: rgba(0,0,0,0.1);
    border-radius: 3px;
    overflow: hidden;
}

.cwc-reliability-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s;
}

.cwc-reliability-bar-fill.high   { background: var(--cwc-good); }
.cwc-reliability-bar-fill.medium { background: var(--cwc-fair); }
.cwc-reliability-bar-fill.low    { background: var(--cwc-poor); }

.cwc-reliability-pct {
    font-size: 11px;
    font-weight: 700;
    min-width: 32px;
    text-align: right;
}

/* ─── Group Guidance Box ──────────────────────────── */
.cwc-guidance-box {
    margin-top: 12px;
    padding: 14px;
    border-radius: 8px;
    font-size: 12px;
    font-family: 'DM Sans', sans-serif;
    line-height: 1.6;
    background: var(--cwc-blue-bg);
    border: 1px solid var(--cwc-blue-border);
    color: #1e40af;
}

.cwc-guidance-box strong {
    color: #1e3a8a;
}

.cwc-guidance-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
    margin-top: 8px;
}

.cwc-guidance-table th {
    text-align: left;
    padding: 4px 6px;
    border-bottom: 1.5px solid var(--cwc-blue-border);
    font-weight: 700;
    color: #1e3a8a;
}

.cwc-guidance-table td {
    padding: 4px 6px;
    border-bottom: 1px solid #dbeafe;
}

.cwc-guidance-table .cwc-highlight-row {
    background: #dbeafe;
    font-weight: 600;
}

/* Buttons */
.cwc-btn {
    padding: 10px 20px;
    background: var(--cwc-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    transition: opacity 0.2s;
}

.cwc-btn:hover { opacity: 0.9; }

.cwc-btn-full {
    width: 100%;
    margin-top: 12px;
}

.cwc-btn-outline {
    padding: 8px 16px;
    background: transparent;
    color: var(--cwc-accent);
    border: 1px solid var(--cwc-accent);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
}

/* Info Box */
.cwc-info {
    font-size: 12px;
    color: var(--cwc-text-muted);
    font-family: 'DM Sans', sans-serif;
    line-height: 1.5;
    margin-top: 12px;
    padding: 12px;
    background: var(--cwc-warm);
    border-radius: 8px;
}

.cwc-info-tip {
    background: var(--cwc-orange-bg);
    border: 1px solid var(--cwc-orange-border);
    color: var(--cwc-orange);
}

/* History */
.cwc-empty-state {
    text-align: center;
    color: var(--cwc-text-muted);
    padding: 40px 0;
    font-family: 'DM Sans', sans-serif;
}

.cwc-empty-icon  { font-size: 32px; margin-bottom: 8px; }
.cwc-empty-title { font-size: 14px; font-weight: 600; }
.cwc-empty-sub   { font-size: 12px; margin-top: 4px; }

.cwc-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.cwc-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.cwc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    font-family: 'DM Sans', sans-serif;
}

.cwc-table th {
    text-align: left;
    padding: 8px 6px;
    border-bottom: 2px solid var(--cwc-border);
    font-size: 11px;
    font-weight: 700;
    color: var(--cwc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.cwc-table td {
    padding: 8px 6px;
    border-bottom: 1px solid var(--cwc-border);
    vertical-align: top;
}

.cwc-calf-name { font-weight: 600; }
.cwc-calf-notes { font-size: 11px; color: var(--cwc-text-muted); font-weight: 400; }
.cwc-period-cell { font-size: 11px; }
.cwc-bw-cell { font-size: 12px; }
.cwc-adg-cell { font-weight: 700; }

.cwc-rating-pill {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 11px;
}

.cwc-rating-pill.poor { background: var(--cwc-poor-bg); color: var(--cwc-poor); }
.cwc-rating-pill.fair { background: var(--cwc-fair-bg); color: var(--cwc-fair); }
.cwc-rating-pill.good { background: var(--cwc-good-bg); color: var(--cwc-good); }

/* Footer */
.cwc-footer {
    text-align: center;
    font-size: 11px;
    color: var(--cwc-text-muted);
    font-family: 'DM Sans', sans-serif;
    margin-top: 16px;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 480px) {
    .cwc-wrap { padding: 16px 12px; }
    .cwc-title { font-size: 22px; }
    .cwc-row { flex-wrap: wrap; }
    .cwc-col { flex: 1 1 100%; min-width: 100%; }
    .cwc-result-value { font-size: 28px; }
    .cwc-breed-select { flex-wrap: wrap; }
    .cwc-breed-btn { flex: 1 1 30%; }
}