body {
    font-family: 'Inter', system-ui, sans-serif;
    line-height: 1.6;
}

.btn {
    padding: 0.875rem 1.75rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: #5182f7;
    color: white;
}

.btn-primary:hover {
    background: #4171e6;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(81, 130, 247, 0.3);
}

.btn-primary:disabled {
    opacity: 0.5;
    pointer-events: none;
}

.btn-secondary {
    background: white;
    color: #5182f7;
    border: 2px solid #5182f7;
}

.btn-secondary:hover {
    background: #f8faff;
}

/* Badge consistente */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-level {
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Pills de info */
.info-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: #f3f4f6;
    font-size: 0.875rem;
}

*:focus-visible {
    outline: 2px solid #5182f7;
    outline-offset: 2px;
}

@media (max-width: 768px) {
    .mobile-cta {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
        padding-bottom: calc(1rem + env(safe-area-inset-bottom));
        box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
        z-index: 40;
    }
}

/* Para el modal */
.modal-backdrop {
    backdrop-filter: blur(4px);
}

#fileLabel {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #6b7280;
}

/* Avatares con iniciales */
.avatar-initials {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    color: white;
}