/* --- Buttons Modernos --- */
button,
.button {
    background-color: var(--primary-color);
    color: white;
    padding: 12px var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    width: 100%;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    box-shadow: var(--box-shadow-sm);
    position: relative;
    overflow: hidden;
    font-family: var(--font-sans-serif);
}

button::before,
.button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0) 100%);
    transition: all 0.5s ease;
}

button:not(:disabled):hover,
.button:not(:disabled):hover {
    background-color: var(--primary-hover-color);
    box-shadow: var(--box-shadow-md);
    transform: translateY(-2px);
}

button:not(:disabled):hover::before,
.button:not(:disabled):hover::before {
    left: 100%;
}

button:not(:disabled):active,
.button:not(:disabled):active {
    transform: translateY(0px);
    box-shadow: var(--box-shadow-sm);
}

button.secondary,
.button.secondary {
    background-color: var(--danger-color);
    box-shadow: var(--box-shadow-sm);
}

button.secondary:hover,
.button.secondary:hover {
    background-color: var(--danger-hover-color);
    box-shadow: var(--box-shadow-md);
}

button.success,
.button.success {
    background-color: var(--success-color);
    box-shadow: var(--box-shadow-sm);
}

button.success:hover,
.button.success:hover {
    background-color: var(--success-hover-color);
    box-shadow: var(--box-shadow-md);
}

button.warning,
.button.warning {
    background-color: var(--warning-color);
    color: var(--text-color);
    box-shadow: var(--box-shadow-sm);
}

button.warning:hover,
.button.warning:hover {
    background-color: var(--warning-hover-color);
    box-shadow: var(--box-shadow-md);
}

button.ghost,
.button.ghost {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: none;
}

button.ghost:hover,
.button.ghost:hover {
    background-color: var(--primary-light);
    color: var(--primary-hover-color);
    border-color: var(--primary-hover-color);
    box-shadow: var(--box-shadow-sm);
}

button:disabled,
.button:disabled {
    background-color: var(--border-color) !important;
    color: var(--text-muted-color) !important;
    border-color: var(--border-color) !important;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
    opacity: 0.6;
}

/* Helper class for smaller buttons often used in lists/actions */
.small-btn {
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    font-size: 0.8rem !important;
    width: auto !important;
}

/* Icon buttons */
.icon-btn {
    width: auto !important;
    padding: var(--spacing-sm) !important;
    aspect-ratio: 1;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-lg);
}

.icon-btn.round {
    border-radius: 50%;
}