/* --- VARIABLES Y ESTILOS GLOBALES --- */
:root {
    --bg-color: #f8fafc;
    --card-bg-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --error-color: #dc2626;
    --warning-color: #f97316;
    --success-color: #16a34a;
    --font-family: 'Inter', sans-serif;
    --border-radius: 0.75rem;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-family); background-color: var(--bg-color); color: var(--text-primary); padding: 2rem; min-height: 100vh; }

/* --- CONTENEDOR PRINCIPAL Y HEADER --- */
.main-container { max-width: 1400px; margin: 0 auto; display: flex; flex-direction: column; min-height: calc(100vh - 4rem); }
.content-area { flex-grow: 1; }
.app-header { text-align: center; margin-bottom: 2rem; }
.app-header .logo { display: flex; justify-content: center; align-items: center; gap: 0.75rem; font-size: 1.875rem; font-weight: 700; color: var(--text-primary); }
.app-header .subtitle { color: var(--text-secondary); margin-top: 0.25rem; }

/* --- TARJETAS (CARD) --- */
.card { background-color: var(--card-bg-color); border: 1px solid var(--border-color); border-radius: var(--border-radius); box-shadow: var(--shadow); overflow: hidden; }
.card-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border-color); }
.card-header h3 { font-size: 1.125rem; font-weight: 600; }
.card-header p { color: var(--text-secondary); font-size: 0.875rem; margin-top: 0.25rem; }
.card-content { padding: 1.5rem; }

/* --- SECCIÓN DE CARGA --- */
.file-drop-zone { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem; border: 2px dashed var(--border-color); border-radius: var(--border-radius); cursor: pointer; transition: background-color 0.2s, border-color 0.2s; margin-bottom: 1.5rem; background-color: var(--bg-color); }
.file-drop-zone:hover { border-color: var(--primary-color); background-color: #f0f9ff; }
.file-drop-zone i { font-size: 2rem; color: var(--text-secondary); margin-bottom: 1rem; }

/* --- BOTONES --- */
.button, .button-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border: none; border-radius: 0.5rem; font-size: 1rem; font-weight: 500; cursor: pointer; transition: background-color 0.2s, transform 0.1s; width: 100%; }
.button { background-color: var(--primary-color); color: white; }
.button:hover:not(:disabled) { background-color: var(--primary-hover); }
.button:disabled { background-color: #94a3b8; cursor: not-allowed; }
.button-secondary { background-color: var(--card-bg-color); color: var(--text-primary); border: 1px solid var(--border-color); font-size: 0.875rem; padding: 0.5rem 1rem; width: auto; }
.button-secondary:hover { background-color: var(--bg-color); }

/* --- SECCIÓN DE RESULTADOS --- */
.results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: flex-start; }
.findings-header, .viewer-header { display: flex; justify-content: space-between; align-items: center; }
.header-buttons { display: flex; gap: 0.5rem; }

/* --- PÍLDORAS DE RESUMEN --- */
.summary-pills { display: flex; gap: 0.75rem; padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border-color); flex-wrap: wrap; }
.pill { padding: 0.25rem 0.75rem; border-radius: 9999px; font-size: 0.875rem; font-weight: 500; display: flex; align-items: center; gap: 0.5rem; }
.pill-error { background-color: #fee2e2; color: #b91c1c; }
.pill-warning { background-color: #ffedd5; color: #c2410c; }
.pill-success { background-color: #dcfce7; color: #15803d; }

/* --- LISTA DE HALLAZGOS --- */
.findings-list { padding: 0.75rem; max-height: 600px; overflow-y: auto; }
.finding-card { border: 1px solid var(--border-color); border-left-width: 4px; border-radius: 0.5rem; margin-bottom: 0.75rem; cursor: pointer; transition: box-shadow 0.2s, border-left-color 0.2s; }
.finding-card:hover { box-shadow: var(--shadow); border-left-color: var(--primary-color); }
.finding-card-header { padding: 0.75rem 1rem; font-size: 0.875rem; font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }
.finding-card.error { border-left-color: var(--error-color); }
.finding-card.warning { border-left-color: var(--warning-color); }
.finding-card-content { padding: 0.5rem 1rem 1rem 1rem; font-size: 0.875rem; }
.finding-card-content p { color: var(--text-secondary); line-height: 1.5; }
.finding-card-content p code { background-color: var(--bg-color); padding: 0.125rem 0.375rem; border-radius: 0.25rem; font-family: monospace; color: var(--text-primary); }

/* --- VISOR DE CÓDIGO --- */
.code-viewer-container { height: 720px; overflow-y: auto; background-color: var(--bg-color); border-top: 1px solid var(--border-color); }
.code-viewer { font-family: 'SF Mono', 'Courier New', Courier, monospace; font-size: 0.875rem; line-height: 1.6; color: var(--text-primary); padding: 1rem 0; white-space: pre; }
.code-viewer .line { display: flex; padding: 0 1rem; }
.code-viewer .line-number { width: 45px; flex-shrink: 0; text-align: right; color: #9ca3af; user-select: none; padding-right: 1rem; }
.code-viewer .line-content { word-break: break-all; white-space: pre-wrap; outline: none; border-radius: 3px; }
.code-viewer .line-content:focus { background-color: #e0f2fe; box-shadow: 0 0 0 2px var(--primary-color); }
.code-viewer .highlight-token { background-color: var(--error-color) !important; color: white; border-radius: 3px; padding: 1px 3px; box-shadow: 0 0 5px var(--error-color); }
.code-viewer .key { color: #9b2c2c; }
.code-viewer .string { color: #2a6914; }
.code-viewer .number { color: #1d4ed8; }
.code-viewer .boolean { color: #c05621; }

/* --- LOADER --- */
.loader-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(255,255,255,0.9); display: none; flex-direction: column; justify-content: center; align-items: center; z-index: 1000; }
.spinner { width: 50px; height: 50px; border: 4px solid var(--border-color); border-top-color: var(--primary-color); border-radius: 50%; animation: spin 1s linear infinite; margin-bottom: 1rem; }
@keyframes spin { 100% { transform: rotate(360deg); } }

/* --- FOOTER --- */
.app-footer { text-align: center; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border-color); color: var(--text-secondary); font-size: 0.875rem; }

/* --- RESPONSIVIDAD --- */
@media (max-width: 1024px) { .results-grid { grid-template-columns: 1fr; } .code-viewer-container, .findings-list { height: auto; max-height: 500px; } }
@media (max-width: 768px) { body { padding: 1rem; } }