/* Reset básico */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Layout general */
body {
    background-color: #f5f7fa;
    color: #222;
    min-height: 100vh;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: #555;
    font-size: 1rem;
}

/* Acciones */
.actions {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: auto;
}

.btn {
    display: block;
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
}

.btn-primary {
    background-color: #1e88e5;
    color: white;
}

.btn-primary:hover {
    background-color: #1669b2;
}

.btn-secondary {
    background-color: #e0e0e0;
    color: #222;
}

.btn-secondary:hover {
    background-color: #cfcfcf;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 3rem;
    color: #777;
}

.footer .small {
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

/* Navegación */
.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    text-decoration: none;
    color: #1e88e5;
    font-weight: 500;
}

/* Filtros */
.filters {
    margin-bottom: 1.5rem;
}

.filters label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.filters select {
    width: 100%;
    padding: 0.6rem;
    font-size: 1rem;
}

/* Tarjetas */
.cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.card h3 {
    margin-bottom: 0.25rem;
}

.card p {
    margin-bottom: 0.25rem;
    color: #444;
}

.card a {
    display: inline-block;
    margin-top: 0.5rem;
    color: #1e88e5;
    font-weight: 600;
    text-decoration: none;
}

/* Estados */
.loading {
    text-align: center;
    color: #666;
}