/* CJF Pro - Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border-color: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-blue: #58a6ff;
    --accent-purple: #a371f7;
    --accent-green: #3fb950;
    --accent-yellow: #d29922;
    --accent-red: #f85149;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-accent {
    color: var(--accent-blue);
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--accent-blue);
    background: rgba(88, 166, 255, 0.1);
}

/* Main */
.main {
    flex: 1;
    padding: 2rem 1.5rem;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

.section {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 2.5rem;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Input Section */
.input-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.textarea {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    resize: vertical;
    transition: border-color 0.2s;
}

.textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

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

.input-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-icon {
    font-size: 1.2rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Results */
.results {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.results-header h2 {
    font-size: 1.3rem;
}

.results-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Sentence Cards */
.sentences-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sentence-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    transition: all 0.2s;
}

.sentence-card:hover {
    border-color: var(--accent-blue);
}

.sentence-card.selected {
    border-color: var(--accent-green);
    background: rgba(63, 185, 80, 0.05);
}

/* Negative sentence card (DESFAVORABLE) */
.sentence-card-negative {
    border-color: var(--accent-red) !important;
    background: rgba(248, 81, 73, 0.08) !important;
}

.sentence-card-negative:hover {
    border-color: #ff6b6b !important;
    box-shadow: 0 0 12px rgba(248, 81, 73, 0.3);
}

.sentence-card-negative .sentence-title {
    color: #ff6b6b;
}

.sentence-alert {
    background: rgba(248, 81, 73, 0.15);
    border-left: 3px solid var(--accent-red);
    padding: 0.75rem;
    margin: 0.75rem 0;
    border-radius: 4px;
    font-size: 0.85rem;
    color: #ff6b6b;
}

.sentence-contra-argumentos {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    padding: 0.75rem;
    margin: 0.75rem 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.sentence-contra-argumentos strong {
    color: #ff8080;
}

.sentence-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    gap: 1rem;
}

.sentence-title {
    font-weight: 600;
    font-size: 1.05rem;
    flex: 1;
}

.sentence-checkbox {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--accent-green);
}

.sentence-meta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-alta { background: rgba(63, 185, 80, 0.2); color: var(--accent-green); }
.badge-media { background: rgba(210, 153, 34, 0.2); color: var(--accent-yellow); }
.badge-baja { background: rgba(248, 81, 73, 0.2); color: var(--accent-red); }

/* Favorable/Negative badges */
.badge-favorable { background: rgba(63, 185, 80, 0.2); color: var(--accent-green); }
.badge-desfavorable { background: rgba(248, 81, 73, 0.3); color: #ff6b6b; }
.badge-neutral { background: rgba(210, 153, 34, 0.2); color: var(--accent-yellow); }
.badge-warning { background: rgba(248, 81, 73, 0.3); color: #ff6b6b; font-size: 0.75rem; }

.sentence-rubros {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.sentence-rubros span {
    color: var(--accent-purple);
}

.sentence-argumentos {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Selection Actions */
.selection-actions {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.selection-info {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.draft-options {
    margin-bottom: 1rem;
}

.chk-counter-args {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid rgba(248, 81, 73, 0.3);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    color: #ff6b6b;
    transition: all 0.2s;
}

.chk-counter-args:hover {
    background: rgba(248, 81, 73, 0.2);
}

.chk-counter-args input {
    accent-color: var(--accent-red);
}

/* Negative Alerts Section */
.negative-alerts-section {
    background: linear-gradient(135deg, rgba(248, 81, 73, 0.1), rgba(0, 0, 0, 0.2));
    border: 1px solid rgba(248, 81, 73, 0.4);
    border-radius: var(--radius);
    margin: 1.5rem 0;
    overflow: hidden;
}

.negative-alerts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    cursor: pointer;
    background: rgba(248, 81, 73, 0.1);
    transition: background 0.2s;
}

.negative-alerts-header:hover {
    background: rgba(248, 81, 73, 0.15);
}

.negative-alerts-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: #ff6b6b;
}

.alert-icon {
    font-size: 1.2rem;
}

.negative-count {
    background: rgba(248, 81, 73, 0.3);
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
    font-size: 0.8rem;
}

.toggle-icon {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.negative-alerts-list {
    padding: 1rem 1.25rem;
    display: block;
}

.negative-alert-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(248, 81, 73, 0.2);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.negative-alert-card:last-child {
    margin-bottom: 0;
}

.negative-alert-title {
    font-weight: 600;
    color: #ff6b6b;
    margin-bottom: 0.75rem;
}

.negative-alert-reason {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.negative-alert-reason strong {
    color: #ff8080;
}

.refute-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    background: rgba(63, 185, 80, 0.1);
    border: 1px solid rgba(63, 185, 80, 0.3);
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--accent-green);
    transition: all 0.2s;
}

.refute-checkbox:hover {
    background: rgba(63, 185, 80, 0.2);
}

.refute-checkbox input {
    accent-color: var(--accent-green);
}

/* Borrador Section */
.borrador-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.borrador-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.borrador-header h2 {
    font-size: 1.3rem;
}

.borrador-actions {
    display: flex;
    gap: 0.75rem;
}

.borrador-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    white-space: pre-wrap;
    font-size: 0.95rem;
    line-height: 1.7;
    max-height: 500px;
    overflow-y: auto;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-sub {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-tech {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success { border-color: var(--accent-green); }
.toast.error { border-color: var(--accent-red); }

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .input-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .results-header {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .borrador-header {
        flex-direction: column;
        text-align: center;
    }
    
    .borrador-actions {
        width: 100%;
        flex-direction: column;
    }
}