/**
 * 🎯 Premium Buttons - BitForward
 * Botones modernos con efectos premium
 */

/* Base button reset */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

/* Button container para ripple effect */
.btn-primary,
.btn-secondary,
.cta-button-primary,
.cta-button-secondary,
.btn-gradient,
.btn-glass,
.btn-glow {
    position: relative;
    overflow: hidden;
}

/* Gradiente animado premium */
.btn-gradient {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    color: white;
    background: var(--gradient-main);
    background-size: 200% 200%;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 4px 16px rgba(6, 182, 212, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.2);
    animation: gradientShift 8s ease infinite;
}

.btn-gradient:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 
        0 8px 32px rgba(6, 182, 212, 0.5),
        0 4px 16px rgba(139, 92, 246, 0.3);
}

.btn-gradient:active {
    transform: translateY(0) scale(0.98);
}

/* Botón glass */
.btn-glass {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Botón con glow pulsante */
.btn-glow {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, var(--cyan-500), var(--purple-500));
    border-radius: 12px;
    box-shadow: 0 0 20px var(--cyan-500);
    animation: glowPulse 2s ease-in-out infinite;
    transition: all 0.3s ease;
}

.btn-glow:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px var(--cyan-500), 0 0 20px var(--purple-500);
    animation: none;
}

/* Loading state */
.btn-loading {
    pointer-events: none;
    opacity: 0.7;
    position: relative;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-loading span {
    opacity: 0;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success state */
.btn-success {
    background: linear-gradient(135deg, #10B981, #059669) !important;
    animation: successPulse 0.6s ease;
}

@keyframes successPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Botón con icono */
.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background: var(--gradient-main);
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.btn-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn-icon:hover svg {
    transform: translateX(4px);
}

/* Botones pequeños */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: 8px;
}

/* Botones grandes */
.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    border-radius: 16px;
}

/* Botón outline */
.btn-outline {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--cyan-500);
    background: transparent;
    border: 2px solid var(--cyan-500);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    color: white;
    background: var(--cyan-500);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.4);
}

/* Botón con shimmer effect */
.btn-shimmer {
    position: relative;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    color: white;
    background: var(--gradient-main);
    border-radius: 12px;
    overflow: hidden;
}

.btn-shimmer::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: translateX(-100%) rotate(45deg);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

/* Grupo de botones */
.btn-group {
    display: inline-flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Botón disabled */
button:disabled,
.btn-disabled {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

/* Botón con badge */
.btn-with-badge {
    position: relative;
}

.btn-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    background: var(--pink-500);
    border: 2px solid var(--glass-bg);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(236, 72, 153, 0.4);
}

/* Botón con tooltip */
.btn-tooltip {
    position: relative;
}

.btn-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) scale(0);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
    background: rgba(0, 0, 0, 0.9);
    border-radius: 8px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: all 0.2s ease;
}

.btn-tooltip:hover::after {
    transform: translateX(-50%) scale(1);
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .btn-primary,
    .btn-secondary,
    .btn-gradient,
    .btn-glass,
    .btn-glow,
    .btn-icon {
        width: 100%;
        justify-content: center;
    }

    .btn-group {
        width: 100%;
        flex-direction: column;
    }

    .btn-lg {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    button {
        -webkit-tap-highlight-color: rgba(6, 182, 212, 0.2);
    }

    button:active {
        transform: scale(0.95);
    }
}

/* Accessibility */
button:focus-visible {
    outline: 2px solid var(--cyan-500);
    outline-offset: 2px;
}

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
    button,
    .btn-gradient,
    .btn-glass,
    .btn-glow,
    .btn-shimmer {
        animation: none !important;
        transition: none !important;
    }
}