:root {
    --bg: #0f172a;
    --card: #1e293b;
    --accent: #38bdf8;
    --text: #f8fafc;
    --muted: #94a3b8;
    --border: #334155;
    --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    background-image: radial-gradient(circle at top right, #1e1b4b, var(--bg));
    color: var(--text);
    min-height: 100vh;
}

.header {
    padding: 20px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.header-title {
    font-size: 1.2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
}

.main-area { display: flex; justify-content: center; padding: 20px; }

.form-container {
    width: 100%;
    max-width: 800px;
    background: var(--card);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
}

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: span 2; }

label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
}

input {
    background: #0f172a;
    border: 1px solid var(--border);
    color: white;
    padding: 12px;
    border-radius: 10px;
    font-size: 16px;
    outline: none;
}

/* Estilo especial para el input de archivos */
input[type="file"] {
    padding: 10px;
    background: rgba(56, 189, 248, 0.05);
    border: 2px dashed var(--border);
    cursor: pointer;
}

.btn-submit {
    background: var(--accent);
    color: #0f172a;
    padding: 14px;
    border-radius: 10px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    transition: 0.3s;
}

/* Botones secundarios (Añadir Apodo/Zona) */
.btn-add-item {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    border: 1px solid var(--accent);
    font-size: 0.8rem;
    padding: 8px;
    margin-top: 5px;
}

.btn-delete {
    background: var(--danger);
    color: white;
    padding: 0 15px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
}

.action-group {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.nav-link {
    flex: 1;
    text-align: center;
    padding: 14px;
    background: transparent;
    color: var(--muted);
    text-decoration: none;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-weight: 600;
}

@media (max-width: 600px) {
    .grid { grid-template-columns: 1fr; }
    .field.full { grid-column: span 1; }
    .action-group { flex-direction: column; }
    .form-container { padding: 15px; background: transparent; border: none; box-shadow: none; }
}
/* Estilos específicos para Tipologías en el registro */
.border-danger {
    border-color: var(--danger) !important;
}

.btn-danger-outline {
    border: 1px solid var(--danger) !important;
    color: var(--danger) !important;
    background: rgba(239, 68, 68, 0.1) !important;
}

.btn-danger-outline:hover {
    background: rgba(239, 68, 68, 0.2) !important;
}