/* Telas E. Santos - Components */

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-2xl);
    font-family: var(--font-family-accent);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    user-select: none;
    line-height: 1;
    min-width: 120px;
}

.btn-primary {
    background-color: var(--color-accent-yellow);
    color: var(--color-dark-charcoal);
    border-color: var(--color-accent-yellow);
    text-transform: uppercase;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background-color: #f5dd41;
    border-color: #f5dd41;
    color: var(--color-dark-charcoal);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(250, 196, 2, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary-orange);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    background-color: #fbc429;
    color: var(--color-dark-charcoal);
    border: 2px solid var(--color-primary-dark);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: #ffd95c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.back-to-top:active {
    transform: translateY(0);
}

/* Hero CTA Group */
.hero-cta-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: flex-start;
}

.hero-cta-main {
    background-color: var(--color-white) !important;
    color: var(--color-dark-charcoal) !important;
    border: 2px solid var(--color-white) !important;
    min-width: 280px;
}

.hero-cta-main:hover {
    background-color: var(--color-accent-yellow) !important;
    color: var(--color-dark-charcoal) !important;
    border-color: var(--color-accent-yellow) !important;
}

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

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

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-3xl);
    font-size: var(--font-size-lg);
    min-width: 160px;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    min-width: 80px;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Cards */
.card {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    padding: var(--spacing-2xl);
    border-bottom: 1px solid var(--bg-secondary);
    background-color: var(--bg-secondary);
}

.card-body {
    padding: var(--spacing-2xl);
}

.card-footer {
    padding: var(--spacing-2xl);
    border-top: 1px solid var(--bg-secondary);
    background-color: var(--bg-secondary);
}

.card-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.card-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Navigation */
.navbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg) 0;
    background-color: transparent;
    z-index: var(--z-index-dropdown);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background-color: transparent;
}

.navbar-brand {
    font-family: var(--font-family-headings);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.navbar-brand:hover {
    color: var(--accent-primary);
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-3xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-family: var(--font-family-accent);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-primary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.form-label {
    display: block;
    font-family: var(--font-family-accent);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark-charcoal);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    display: block;
    width: 100%;
    padding: 16px 20px;
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-dark-charcoal);
    background-color: #ffffff;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.form-control:hover {
    border-color: #c0c0c0;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent-yellow);
    box-shadow: 0 0 0 4px rgba(250, 196, 2, 0.1), 0 4px 8px rgba(0, 0, 0, 0.1);
    background-color: #ffffff;
}

.form-control::placeholder {
    color: #999999;
    font-style: italic;
}

.form-control:invalid {
    border-color: #e0e0e0;
}

textarea.form-control {
    resize: vertical;
    min-height: 140px;
    font-family: var(--font-family-body);
}

/* Alerts */
.alert {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
    font-weight: var(--font-weight-medium);
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-error,
.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

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

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--bg-secondary);
    border-top: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Badges */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--border-radius-sm);
    background-color: var(--color-primary-orange);
    color: var(--color-white);
}

.badge-secondary {
    background-color: var(--text-muted);
    color: var(--color-white);
}

/* Mobile-First Responsive Utilities */
@media (max-width: 767px) {
    .navbar-nav {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .btn {
        padding: var(--spacing-lg) var(--spacing-xl);
        min-width: 120px;
        min-height: 48px;
        font-size: var(--font-size-base);
        font-weight: var(--font-weight-semibold);
        border-radius: var(--border-radius-lg);
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    .btn-lg {
        padding: var(--spacing-xl) var(--spacing-2xl);
        min-width: 140px;
        min-height: 56px;
        font-size: var(--font-size-lg);
    }
    
    .btn-sm {
        padding: var(--spacing-md) var(--spacing-lg);
        min-width: 100px;
        min-height: 44px;
        font-size: var(--font-size-sm);
    }
    
    .card-body {
        padding: var(--spacing-xl);
    }
    
    .card-header,
    .card-footer {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: var(--font-size-xl);
    }
    
    .navbar-brand img {
        height: 32px;
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-lg) var(--spacing-xl);
        min-height: 52px;
    }
    
    .btn-lg {
        min-height: 60px;
        padding: var(--spacing-xl) var(--spacing-2xl);
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-lg);
    }
    
    .form-control {
        min-height: 48px;
        padding: var(--spacing-lg);
        font-size: var(--font-size-base);
        border-radius: var(--border-radius-lg);
    }
    
    .form-label {
        font-size: var(--font-size-sm);
        margin-bottom: var(--spacing-md);
    }
}

/* Image Overlay Modal */
.image-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.image-overlay.active {
    opacity: 1;
    visibility: visible;
}

.overlay-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    box-sizing: border-box;
    max-width: 90vw;
    max-height: 90vh;
    pointer-events: none;
}

.overlay-image {
    max-width: 85vw;
    max-height: 75vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    transition: all var(--transition-slow);
    display: block;
    margin: 0 auto;
    pointer-events: auto;
}

.close-overlay {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10001;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(4px);
    pointer-events: auto;
}

.close-overlay:hover {
    background-color: var(--accent-primary);
    transform: scale(1.1);
    backdrop-filter: blur(8px);
}

.close-overlay svg {
    color: var(--color-primary-dark);
    transition: color var(--transition-normal);
}

.close-overlay:hover svg {
    color: var(--color-primary-dark);
}

/* Product Image Clickable Enhancement */
.product-image-container {
    cursor: pointer;
    position: relative;
}

.product-image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    opacity: 0;
    transition: all var(--transition-normal);
    pointer-events: none;
}

.product-image-container:hover::after {
    opacity: 1;
    transform: translateX(100%);
}

/* Mobile-Optimized Overlay */
@media (max-width: 767px) {
    .image-overlay {
        padding: var(--spacing-lg);
    }
    
    .close-overlay {
        top: var(--spacing-lg);
        right: var(--spacing-lg);
        width: 48px;
        height: 48px;
        background-color: rgba(0, 0, 0, 0.8);
        color: var(--color-white);
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    .close-overlay:hover {
        background-color: rgba(0, 0, 0, 0.9);
        transform: scale(1.05);
    }
    
    .overlay-content {
        padding: var(--spacing-xl);
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .overlay-image {
        max-width: 90vw;
        max-height: 70vh;
        object-fit: contain;
        border-radius: var(--border-radius-lg);
    }
}

@media (max-width: 576px) {
    .close-overlay {
        top: var(--spacing-md);
        right: var(--spacing-md);
        width: 44px;
        height: 44px;
    }
    
    .close-overlay svg {
        width: 20px;
        height: 20px;
    }
    
    .overlay-content {
        padding: var(--spacing-lg);
    }
    
    .overlay-image {
        max-width: 95vw;
        max-height: 75vh;
    }
}

/* Image Loading States */
.image-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 5;
    color: var(--color-white);
    background: rgba(0, 0, 0, 0.7);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(4px);
    opacity: 0;
    animation: fadeInLoader 0.3s ease-out forwards;
}

.image-loader-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(250, 196, 2, 0.2);
    border-top: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.image-loader p {
    margin: 0;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
}

/* Product Image Loading State */
.product-image-container.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #e0e0e0 25%, #f0f0f0 50%, #e0e0e0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    z-index: 3;
    border-radius: var(--border-radius-xl);
}

.product-image-container.loading .product-image {
    opacity: 0;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Loading spinner overlay for product images */
.product-image-container .loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    border: 4px solid rgba(250, 196, 2, 0.3);
    border-top: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    z-index: 4;
    display: none;
}

.product-image-container.loading .loading-spinner {
    display: block;
}


/* Optimized image transitions */
.product-image {
    transition: opacity var(--transition-normal);
}

.product-image-container {
    position: relative;
    overflow: hidden;
}

/* Smooth loading states */
.image-loader {
    opacity: 0;
    animation: fadeInLoader 0.3s ease-out forwards;
}

@keyframes fadeInLoader {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}