:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --accent: #ff4500; /* Naranja estilo carrera de obstáculos */
    --accent-hover: #e03e00;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

header p {
    color: var(--text-muted);
}

.dashboard {
    width: 100%;
    max-width: 1000px;
}

.upload-section {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.upload-card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border: 1px solid #333;
}

.upload-card h3 {
    margin-top: 0;
    font-size: 1rem;
    border-bottom: 1px solid #444;
    padding-bottom: 10px;
}

input[type="file"] {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.action-section {
    text-align: center;
    margin-bottom: 30px;
}

button {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: var(--accent);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-hover);
}

.btn-primary:disabled {
    background-color: #555;
    color: #888;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: #2e7d32; /* Verde para exportar */
    color: white;
    margin-left: 10px;
}

.table-container {
    background-color: var(--card-bg);
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid #333;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #444;
}

th {
    background-color: #2a2a2a;
    color: var(--accent);
}

/* Ventana Emergente de Similitud */
.modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: flex; justify-content: center; align-items: center; z-index: 1000;
}
.modal-content {
    background-color: var(--card-bg); padding: 30px; border-radius: 8px;
    text-align: center; border: 1px solid var(--accent); width: 90%; max-width: 450px;
}
.nombres-comparar {
    display: flex; justify-content: space-between; align-items: center;
    margin: 20px 0; background-color: #111; padding: 15px; border-radius: 4px;
    border: 1px solid #333;
}
.nombre-box { font-weight: bold; font-size: 1.1rem; color: #fff; }
.vs { color: var(--text-muted); font-size: 0.9rem; margin: 0 10px; }
.modal-actions { display: flex; gap: 10px; justify-content: center; margin-top: 25px; }
.btn-secondary { background-color: #444; }
.btn-secondary:hover { background-color: #555; }