/* WineCalc - Custom Styles */

/* Global Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Navbar */
.navbar {
    z-index: 1030 !important;
}

.navbar-brand {
    font-size: 1.5rem;
    transition: var(--transition-base);
    padding: 0.5rem 0;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-logo {
    height: 40px;
    width: auto;
    display: block;
}

/* Mobile logo adjustments */
@media (max-width: 576px) {
    .navbar-logo {
        height: 32px;
    }

    .navbar-brand {
        padding: 0.25rem 0;
    }
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 1);
}

/* Navbar dropdown - must be above search bar */
.navbar .dropdown-menu {
    z-index: 1050 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.navbar-collapse {
    z-index: 1050;
}

/* Mobile navbar - full width on small screens */
@media (max-width: 991.98px) {
    .navbar-collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary);
        padding: 1rem;
        z-index: 1050;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    .navbar .dropdown-menu {
        border: none;
        background-color: rgba(255, 255, 255, 0.1);
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,144C960,149,1056,139,1152,117.3C1248,96,1344,64,1392,48L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

/* Search Section */
.search-section {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 56px; /* Height of navbar */
    z-index: 1010;
    transition: var(--transition-base);
}

[data-theme="dark"] .search-section {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
}

/* Search Bar */
.search-container {
    max-width: 600px;
    margin: 0 auto;
}

#searchInput {
    border-radius: 0 50px 50px 0 !important;
    padding: 0.875rem 1.5rem;
    font-size: 1.1rem;
    border: none !important;
    box-shadow: none !important;
}

#searchInput:focus {
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3) !important;
}

.input-group-text {
    border-radius: 50px 0 0 50px !important;
    padding: 0.875rem 1.25rem;
    background-color: white !important;
    border: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-group-text i {
    font-size: 1.3rem;
    color: var(--primary);
}

.input-group-lg {
    border-radius: 50px !important;
    overflow: hidden;
}

/* Dark mode search */
[data-theme="dark"] .input-group-text {
    background-color: var(--bg-tertiary) !important;
}

[data-theme="dark"] .input-group-text i {
    color: var(--primary);
}

[data-theme="dark"] #searchInput {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

/* Calculator Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    transition: var(--transition-base);
    height: 100%;
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.hover-lift {
    transition: var(--transition-base);
}

.icon-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    flex-shrink: 0;
}

.card-title {
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.card-text {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Category Sections */
section h2 {
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--primary-light);
}

/* Badges */
.badge {
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    font-size: 0.75rem;
}

/* Calculator Modal */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
}

.modal-header {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

/* Calculator Form Styles */
.calculator-form {
    padding: 1.5rem 0;
}

.calculator-form .form-label {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.calculator-form .form-control,
.calculator-form .form-select {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: var(--transition-base);
}

.calculator-form .form-control:hover,
.calculator-form .form-select:hover {
    border-color: var(--primary-light);
}

/* Results Section */
.results-section {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-top: 2rem;
}

.result-item {
    background: var(--bg-primary);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
}

.result-item:last-child {
    margin-bottom: 0;
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.result-unit {
    font-size: 1rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

/* Info Alert */
.alert-info {
    background-color: var(--secondary-light);
    border-color: var(--secondary);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition-base);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Footer */
footer {
    margin-top: auto;
}

footer a:hover {
    opacity: 0.8;
}

/* Loading Spinner */
.spinner-wine {
    border-color: var(--primary-light);
    border-top-color: var(--primary);
}

/* No Results */
#noResults i {
    opacity: 0.3;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.calculator-card {
    animation: fadeIn 0.5s ease-out;
}

.calculator-card:nth-child(1) { animation-delay: 0.1s; }
.calculator-card:nth-child(2) { animation-delay: 0.2s; }
.calculator-card:nth-child(3) { animation-delay: 0.3s; }
.calculator-card:nth-child(4) { animation-delay: 0.4s; }
.calculator-card:nth-child(5) { animation-delay: 0.5s; }
.calculator-card:nth-child(6) { animation-delay: 0.6s; }

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 1rem 0;
}

.breadcrumb-item.active {
    color: var(--primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0 !important;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section .lead {
        font-size: 1rem;
    }

    #searchInput {
        font-size: 1rem;
    }

    section h2 {
        font-size: 1.5rem;
    }

    .icon-circle {
        width: 50px;
        height: 50px;
        min-width: 50px;
        min-height: 50px;
    }

    .icon-circle i {
        font-size: 1.5rem !important;
    }

    .result-value {
        font-size: 1.25rem;
    }

    /* Mobile - navbar buttons più grandi */
    .nav-link {
        padding: 0.75rem 1rem !important;
        font-size: 1.1rem;
    }

    /* Mobile - modal full screen */
    .modal-dialog {
        margin: 0;
        max-width: 100%;
        height: 100vh;
    }

    .modal-content {
        height: 100%;
        border-radius: 0;
    }

    /* Mobile - pulsanti temi più grandi */
    .theme-mode-btn,
    .color-theme-btn {
        padding: 0.75rem !important;
        font-size: 1rem !important;
    }

    /* Mobile - switch più grandi */
    .form-check-input {
        width: 3rem;
        height: 1.5rem;
    }
}

/* Touch Optimization for Mobile */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .card,
    .calculator-link {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hero-section,
    footer,
    .btn {
        display: none !important;
    }

    .card {
        box-shadow: none;
        border: 1px solid #dee2e6;
        page-break-inside: avoid;
    }

    .results-section {
        background: white;
        border: 2px solid var(--primary);
    }
}

/* Form Validation */
.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #dc3545;
}

.is-invalid ~ .invalid-feedback {
    display: block;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: #dc3545;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.25rem rgba(220, 53, 69, 0.25);
}

/* Accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--primary);
    }

    .btn-outline-wine {
        border-width: 2px;
    }
}

/* PWA Install Banner */
.pwa-install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 1rem;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1040;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
    display: none;
}

.pwa-install-banner.show {
    display: block;
    transform: translateY(0);
}

.pwa-install-banner .container-fluid {
    max-width: 1200px;
    margin: 0 auto;
}

.pwa-install-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.pwa-install-banner-text {
    flex: 1;
}

.pwa-install-banner-text h6 {
    margin: 0 0 0.25rem 0;
    font-weight: 600;
    font-size: 1rem;
}

.pwa-install-banner-text p {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.95;
}

.pwa-install-banner-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.pwa-install-banner .btn {
    white-space: nowrap;
}

.pwa-install-banner .btn-light {
    background: white;
    color: var(--primary);
    border: none;
    font-weight: 600;
}

.pwa-install-banner .btn-light:hover {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
}

.pwa-install-banner .btn-close-white {
    filter: brightness(0) invert(1);
}

/* Mobile adjustments for PWA banner */
@media (max-width: 576px) {
    .pwa-install-banner {
        padding: 0.75rem;
    }

    .pwa-install-banner-content {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .pwa-install-banner-text h6 {
        font-size: 0.9rem;
    }

    .pwa-install-banner-text p {
        font-size: 0.8rem;
    }

    .pwa-install-banner-actions {
        width: 100%;
    }

    .pwa-install-banner-actions .btn {
        flex: 1;
    }
}

/* Accordion Customization - Use Theme Colors */
.accordion-button {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
    transition: var(--transition-base);
}

.accordion-button:not(.collapsed) {
    background-color: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: none;
}

.accordion-button:hover {
    background-color: var(--primary-light);
}

.accordion-button:focus {
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
    outline: none;
}

.accordion-button::after {
    filter: brightness(0) saturate(100%) invert(18%) sepia(35%) saturate(1771%) hue-rotate(313deg) brightness(93%) contrast(92%);
}

.accordion-button:not(.collapsed)::after {
    filter: brightness(0) saturate(100%) invert(18%) sepia(35%) saturate(1771%) hue-rotate(313deg) brightness(93%) contrast(92%);
}

.accordion-item {
    border-color: var(--border-color);
    background-color: var(--bg-primary);
}

.accordion-body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Dark mode accordion adjustments */
[data-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: rgba(var(--primary-rgb), 0.15);
    color: var(--primary);
}

[data-theme="dark"] .accordion-button:hover {
    background-color: rgba(var(--primary-rgb), 0.1);
}