* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    min-height: 100vh;
}

/* HEADER */
.header {
    background: #1565c0;
    padding: 15px;
    color: white;
}

.header-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-header {
    width: 50px;
}

/* FOOTER */
.footer {
    text-align: center;
    padding: 15px;
    background: #1565c0;
    color: white;
    margin-top: 40px;
}

/* CONTENEDOR */
.contenedor-principal {
    display: flex;
    justify-content: center;
    padding: 40px 15px;
}

/* CARD */
.card-formulario {
    background: white;
    padding: 30px;
    border-radius: 12px;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.ancho-grande {
    max-width: 900px;
}

h1 {
    text-align: center;
    color: #1565c0;
    margin-bottom: 10px;
}

.subtitulo {
    text-align: center;
    color: #555;
    margin-bottom: 20px;
}

/* FORMULARIO */
.formulario-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.campo {
    display: flex;
    flex-direction: column;
}

.campo-full {
    grid-column: span 2;
}

label {
    font-size: 14px;
    margin-bottom: 5px;
}

input, select {
    padding: 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

/* BOTONES */
.btn-principal {
    background: #1976d2;
    color: white;
    padding: 12px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.btn-principal:hover {
    background: #0d47a1;
}

/* GRID ESPECIALIDADES */
.grid-especialidades {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
}

.tarjeta-especialidad {
    background: #e3f2fd;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
}

.tarjeta-especialidad:hover {
    border: 2px solid #1976d2;
}

/* ACCIONES */
.acciones {
    margin-top: 20px;
}

/* RESUMEN */
.resumen-cita {
    background: #f1f8ff;
    padding: 15px;
    border-radius: 10px;
}

/* RESPONSIVE */
@media (max-width: 600px) {
    .formulario-grid {
        grid-template-columns: 1fr;
    }

    .campo-full {
        grid-column: span 1;
    }
}