/* Buscador de Palabras - WordPress Plugin Styles */
.bp-container {
    --bp-bg: #ffffff;
    --bp-fg: #0f172a;
    --bp-card: #ffffff;
    --bp-border: #e2e8f0;
    --bp-muted: #64748b;
    --bp-primary: #16a34a;
    --bp-primary-fg: #ffffff;
    --bp-secondary: #f1f5f9;
    --bp-secondary-fg: #334155;
    --bp-accent: #e2e8f0;
    --bp-accent-fg: #0f172a;
    --bp-input-border: #cbd5e1;
    --bp-ring: #16a34a;
    --bp-radius: 0.75rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: 48rem;
    margin: 0 auto;
    padding: 1rem;
    color: var(--bp-fg);
    background: var(--bp-bg);
    line-height: 1.6;
    box-sizing: border-box;
}
.bp-container *, .bp-container *::before, .bp-container *::after {
    box-sizing: border-box;
}
.bp-container.bp-dark {
    --bp-bg: #0f172a;
    --bp-fg: #f1f5f9;
    --bp-card: #1e293b;
    --bp-border: #334155;
    --bp-muted: #94a3b8;
    --bp-secondary: #334155;
    --bp-secondary-fg: #e2e8f0;
    --bp-accent: #475569;
    --bp-accent-fg: #f1f5f9;
    --bp-input-border: #475569;
}

/* Header */
.bp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--bp-border);
    margin-bottom: 1.5rem;
}
.bp-header-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.bp-emoji { font-size: 1.75rem; }
.bp-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--bp-fg);
}
.bp-btn-icon {
    padding: 0.5rem;
    border-radius: var(--bp-radius);
    background: var(--bp-secondary);
    color: var(--bp-secondary-fg);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
}
.bp-btn-icon:hover { background: var(--bp-accent); }

/* Loading */
.bp-loading {
    text-align: center;
    padding: 3rem 0;
    color: var(--bp-muted);
}
.bp-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--bp-border);
    border-top-color: var(--bp-primary);
    border-radius: 50%;
    animation: bp-spin 0.8s linear infinite;
}
@keyframes bp-spin { to { transform: rotate(360deg); } }

/* Card */
.bp-card {
    background: var(--bp-card);
    border: 1px solid var(--bp-border);
    border-radius: var(--bp-radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

/* Fields */
.bp-field { margin-bottom: 1rem; }
.bp-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bp-fg);
    margin-bottom: 0.375rem;
}
.bp-count {
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--bp-muted);
    margin-left: 0.5rem;
}
.bp-input-wrap { position: relative; }
.bp-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--bp-radius);
    border: 1px solid var(--bp-input-border);
    background: var(--bp-bg);
    color: var(--bp-fg);
    font-size: 1rem;
    outline: none;
    transition: box-shadow 0.2s;
}
.bp-input:focus {
    box-shadow: 0 0 0 2px var(--bp-ring);
}
.bp-input::placeholder { color: var(--bp-muted); }
.bp-btn-clear {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--bp-muted);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
    line-height: 1;
}
.bp-btn-clear:hover { color: var(--bp-fg); }
.bp-hint {
    font-size: 0.75rem;
    color: var(--bp-muted);
    margin-top: 0.375rem;
}
.bp-hint code {
    background: var(--bp-secondary);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}

/* Checkbox */
.bp-checkbox-wrap { margin-bottom: 1rem; }
.bp-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--bp-fg);
}
.bp-checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--bp-primary);
}

/* Buttons */
.bp-btn-primary {
    width: 100%;
    padding: 0.875rem;
    border-radius: var(--bp-radius);
    background: var(--bp-primary);
    color: var(--bp-primary-fg);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: opacity 0.2s;
}
.bp-btn-primary:hover { opacity: 0.9; }
.bp-btn-secondary {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--bp-radius);
    background: var(--bp-secondary);
    color: var(--bp-secondary-fg);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}
.bp-btn-secondary:hover { background: var(--bp-accent); }

/* Results */
.bp-results-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.bp-result-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--bp-fg);
    margin: 0;
}
.bp-results-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.bp-select {
    font-size: 0.875rem;
    padding: 0.375rem 0.75rem;
    border-radius: var(--bp-radius);
    border: 1px solid var(--bp-input-border);
    background: var(--bp-bg);
    color: var(--bp-fg);
    outline: none;
}
.bp-select:focus { box-shadow: 0 0 0 2px var(--bp-ring); }

/* Word Groups */
.bp-word-group {
    background: var(--bp-card);
    border: 1px solid var(--bp-border);
    border-radius: var(--bp-radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
}
.bp-word-group-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bp-muted);
    margin: 0 0 0.75rem 0;
}
.bp-words-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.bp-word-chip {
    padding: 0.375rem 0.75rem;
    border-radius: var(--bp-radius);
    background: var(--bp-secondary);
    color: var(--bp-secondary-fg);
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
.bp-word-chip:hover {
    background: var(--bp-accent);
    color: var(--bp-accent-fg);
}
.bp-word-score {
    margin-left: 0.25rem;
    font-size: 0.75rem;
    color: var(--bp-muted);
}

/* Empty */
.bp-empty {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--bp-muted);
}

/* Popup */
.bp-popup-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
}
.bp-popup {
    background: var(--bp-card);
    border: 1px solid var(--bp-border);
    border-radius: var(--bp-radius);
    padding: 1.5rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    max-width: 20rem;
    width: 100%;
    margin: 1rem;
    text-align: center;
}
.bp-popup-word {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--bp-fg);
    margin: 0 0 0.5rem 0;
}
.bp-popup-score {
    font-size: 0.875rem;
    color: var(--bp-muted);
    margin: 0 0 1rem 0;
}

/* Toast */
.bp-toast {
    position: fixed;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bp-fg);
    color: var(--bp-bg);
    padding: 0.75rem 1.25rem;
    border-radius: var(--bp-radius);
    font-size: 0.875rem;
    font-weight: 500;
    z-index: 100000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    animation: bp-toast-in 0.3s ease;
}
@keyframes bp-toast-in {
    from { opacity: 0; transform: translateX(-50%) translateY(1rem); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* SEO Content */
.bp-seo-content {
    border-top: 1px solid var(--bp-border);
    padding-top: 2rem;
    margin-top: 2rem;
}
.bp-seo-content h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--bp-fg);
    margin: 1.5rem 0 0.5rem 0;
}
.bp-seo-content h3:first-child { margin-top: 0; }
.bp-seo-content p {
    color: var(--bp-muted);
    margin: 0 0 1rem 0;
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 600px) {
    .bp-container { padding: 0.5rem; }
    .bp-title { font-size: 1rem; }
    .bp-results-header { flex-direction: column; align-items: flex-start; }
}