/* ============================================ */
/* BUTTONS COMPONENT - AFRIPRECISION */
/* Consolidated button system (3 variants) */
/* ============================================ */

/* ============================================ */
/* 1. BASE BUTTON STYLES */
/* ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    line-height: var(--leading-none);
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-btn);
    cursor: pointer;
    transition: all var(--transition-base) var(--ease-in-out);
    position: relative;
    overflow: hidden;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* Active/Pressed State */
.btn:active {
    transform: scale(0.98);
}

/* Disabled State */
.btn:disabled,
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Icon positioning */
.btn i,
.btn svg {
    font-size: 1em;
    transition: transform var(--transition-fast);
}

.btn:hover i,
.btn:hover svg {
    transform: translateX(2px);
}

/* ============================================ */
/* 2. PRIMARY BUTTON */
/* ============================================ */

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-inverse);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary-lg);
    color: var(--text-inverse);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
    box-shadow: var(--shadow-md);
}

/* Shimmer effect on hover */
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

/* ============================================ */
/* 3. SECONDARY BUTTON */
/* ============================================ */

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-default);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--border-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
}

.btn-secondary:active {
    transform: translateY(0) scale(0.98);
    background: var(--gray-100);
}

/* ============================================ */
/* 4. OUTLINE BUTTON */
/* ============================================ */

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

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

/* Light variant for dark backgrounds */
.btn-outline-light {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-inverse);
    border-color: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    color: var(--text-inverse);
}

/* Dark variant for light backgrounds */
.btn-outline-dark {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-outline-dark:hover {
    background: var(--text-primary);
    color: var(--text-inverse);
    transform: translateY(-2px);
}

/* ============================================ */
/* 5. BUTTON SIZES */
/* ============================================ */

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    gap: var(--space-2);
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
    gap: var(--space-3);
}

.btn-xl {
    padding: var(--space-6) var(--space-12);
    font-size: var(--text-lg);
    gap: var(--space-4);
}

/* ============================================ */
/* 6. FULL WIDTH BUTTON */
/* ============================================ */

.btn-block {
    width: 100%;
}

/* ============================================ */
/* 7. ICON ONLY BUTTON */
/* ============================================ */

.btn-icon {
    padding: var(--space-3);
    width: 44px;
    height: 44px;
}

.btn-icon.btn-sm {
    width: 36px;
    height: 36px;
    padding: var(--space-2);
}

.btn-icon.btn-lg {
    width: 52px;
    height: 52px;
    padding: var(--space-4);
}

.btn-icon i,
.btn-icon svg {
    margin: 0;
}

.btn-icon:hover i,
.btn-icon:hover svg {
    transform: none;
}

/* ============================================ */
/* 8. BUTTON GROUP */
/* ============================================ */

.btn-group {
    display: inline-flex;
    gap: 0;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-btn) 0 0 var(--radius-btn);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
}

.btn-group .btn:not(:first-child) {
    margin-left: -2px;
}

/* ============================================ */
/* 9. LOADING STATE */
/* ============================================ */

.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

.btn-primary.btn-loading::after {
    border-color: rgba(255, 255, 255, 0.3);
    border-right-color: white;
}

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

/* ============================================ */
/* 10. SPECIAL BUTTONS */
/* ============================================ */

/* White button for colored backgrounds */
.btn-white {
    background: var(--bg-primary);
    color: var(--color-primary);
    border-color: var(--bg-primary);
    box-shadow: var(--shadow-lg);
}

.btn-white:hover {
    background: var(--gray-50);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: var(--color-primary);
}

/* Ghost button */
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

/* Link style button */
.btn-link {
    background: transparent;
    color: var(--color-primary);
    border-color: transparent;
    padding: 0;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.btn-link:hover {
    color: var(--color-primary-hover);
    text-decoration-thickness: 2px;
}

/* ============================================ */
/* 11. CTA BUTTON (Extra prominent) */
/* ============================================ */

.btn-cta {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    background: var(--gradient-primary-intense);
    background-size: 200% 100%;
    color: var(--text-inverse);
    border: none;
    box-shadow: var(--shadow-primary-lg), var(--glow-primary);
    animation: gradient-shift 4s ease infinite;
}

.btn-cta:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--glow-primary-intense);
    color: var(--text-inverse);
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ============================================ */
/* 12. SOCIAL BUTTONS */
/* ============================================ */

.btn-social {
    width: 44px;
    height: 44px;
    padding: 0;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    color: var(--text-inverse-secondary);
    transition: all var(--transition-base);
}

.btn-social:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-inverse);
    transform: translateY(-4px);
    box-shadow: var(--shadow-primary);
}

/* ============================================ */
/* 13. FLOATING ACTION BUTTON */
/* ============================================ */

.btn-fab {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 56px;
    height: 56px;
    padding: 0;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
}

.btn-fab:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* WhatsApp FAB */
.btn-fab-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #20ba5a 100%);
    color: white;
    border: none;
}

.btn-fab-whatsapp:hover {
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.5);
    color: white;
}

/* ============================================ */
/* 14. RESPONSIVE ADJUSTMENTS */
/* ============================================ */

@media (max-width: 767px) {
    .btn {
        padding: var(--space-3) var(--space-6);
    }
    
    .btn-lg {
        padding: var(--space-4) var(--space-8);
        font-size: var(--text-base);
    }
    
    .btn-xl {
        padding: var(--space-5) var(--space-10);
    }
    
    .btn-cta {
        padding: var(--space-4) var(--space-8);
        font-size: var(--text-base);
    }
    
    /* Stack buttons on mobile */
    .btn-stack-mobile {
        flex-direction: column;
        width: 100%;
    }
}

/* ============================================ */
/* 15. DARK MODE SUPPORT */
/* ============================================ */

[data-theme="dark"] .btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-light);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-default);
}

[data-theme="dark"] .btn-ghost:hover {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .btn-white {
    background: var(--bg-primary);
    color: var(--color-primary);
}

/* ============================================ */
/* END BUTTONS COMPONENT */
/* ============================================ */