/* WasteTide Public Index Stylesheet — Red/Black/White Theme */

:root {
    --color-primary: #DC2626;    /* Red (brand color from logo) */
    --color-primary-dark: #af1c1c; /* Darker red for hover */
    --color-dark: #000000;       /* Black */
    --color-light: #FFFFFF;      /* White */
    --color-gray-900: #111111;
    --color-gray-800: #1a1a1a;
    --color-gray-700: #2d2d2d;
    --color-gray-600: #404040;
    --color-gray-500: #666666;
    --color-gray-400: #999999;
    --color-gray-300: #cccccc;
    --color-gray-200: #e6e6e6;
    --color-gray-100: #f5f5f5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
}

body {
    background: var(--color-light);
    color: var(--color-dark);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu",
                 "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* HEADER                                                                       */
/* ─────────────────────────────────────────────────────────────────────────── */

.header {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-gray-800) 100%);
    color: var(--color-light);
    padding: 3rem 1.5rem;
    border-bottom: 4px solid var(--color-primary);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.15);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    height: 80px;
    width: auto;
    filter: brightness(1.1);
}

.header-text h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.header-text .tagline {
    font-size: 1.1rem;
    color: var(--color-gray-300);
    font-weight: 300;
}

@media (max-width: 768px) {
    .header {
        padding: 2rem 1rem;
    }

    .logo-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .logo {
        height: 60px;
    }

    .header-text h1 {
        font-size: 1.8rem;
    }

    .header-text .tagline {
        font-size: 0.95rem;
    }
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* MAIN CONTAINER                                                              */
/* ─────────────────────────────────────────────────────────────────────────── */

.container-main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem 1.5rem;
}

@media (max-width: 768px) {
    .container-main {
        padding: 1.5rem 1rem;
    }
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* SELECTOR SECTION                                                            */
/* ─────────────────────────────────────────────────────────────────────────── */

.selector-section {
    margin-bottom: 2.5rem;
}

.selector-wrapper {
    background: var(--color-gray-100);
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    padding: 2rem;
}

.selector-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1rem;
}

.selector-group {
    flex: 1;
}

.selector-label {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.country-select,
.currency-select {
    width: 100%;
    padding: 12px 14px;
    font-size: 1rem;
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    background: var(--color-light);
    color: var(--color-dark);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.country-select:hover,
.currency-select:hover {
    border-color: #b91c1c;
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.1);
}

.country-select:focus,
.currency-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
}

.currency-select:disabled {
    background-color: var(--color-gray-200);
    cursor: not-allowed;
    opacity: 0.6;
    border-color: var(--color-gray-400);
}

.selector-hint {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-top: 0.75rem;
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* LOADING & EMPTY STATES                                                      */
/* ─────────────────────────────────────────────────────────────────────────── */

.spinner {
    border: 4px solid var(--color-gray-300);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

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

/* ─────────────────────────────────────────────────────────────────────────── */
/* INDEX SECTION                                                               */
/* ─────────────────────────────────────────────────────────────────────────── */

.index-section {
    margin-bottom: 2rem;
}

.index-header {
    margin-bottom: 1.5rem;
}

.category-filters-container {
    margin-bottom: 1.5rem;
}

.filter-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
    display: block;
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-filter-btn {
    padding: 0.6rem 1rem;
    border: 2px solid var(--color-primary);
    background: var(--color-light);
    color: var(--color-primary);
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.category-filter-btn:hover {
    background-color: var(--color-gray-100);
    border-color: #b91c1c;
}

.category-filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-light);
    border-color: var(--color-primary);
}

.index-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.last-updated {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    font-weight: 500;
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* PRICE TABLE                                                                  */
/* ─────────────────────────────────────────────────────────────────────────── */

.table-wrapper {
    background: var(--color-light);
    border: 2px solid var(--color-gray-300);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.price-table thead {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-gray-900) 100%);
    color: var(--color-light);
}

.price-table th {
    padding: 1rem 1.25rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 3px solid var(--color-primary);
}

.price-table th .unit {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    margin-top: 0.25rem;
    opacity: 0.85;
}

.price-table tbody tr {
    border-bottom: 1px solid var(--color-gray-200);
    transition: background-color 0.15s ease;
}

.price-table tbody tr:hover {
    background-color: var(--color-gray-100);
}

.price-table tbody tr:last-child {
    border-bottom: none;
}

.price-table td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
}

.col-category {
    width: 40%;
    text-align: left;
}

.col-price-eur {
    width: 20%;
    text-align: center;
}

.col-price-usd {
    width: 20%;
    text-align: center;
}

.col-trend {
    width: 20%;
    text-align: center;
    font-weight: 600;
}

.trend-cell {
    font-size: 0.95rem;
}

.trend-up {
    color: #22c55e;  /* Green */
}

.trend-down {
    color: #ef4444;  /* Red */
}

.trend-neutral {
    color: var(--color-gray-500);  /* Gray */
}

.category-name {
    font-weight: 600;
    color: var(--color-dark);
    display: block;
}

.price-cell {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-primary);
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* INDEX FOOTER                                                                 */
/* ─────────────────────────────────────────────────────────────────────────── */

.index-footer {
    margin-top: 1.5rem;
    text-align: center;
}

.data-note {
    font-size: 0.85rem;
    color: var(--color-gray-600);
    font-style: italic;
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* FOOTER                                                                       */
/* ─────────────────────────────────────────────────────────────────────────── */

.footer {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-gray-800) 100%);
    color: var(--color-gray-300);
    padding: 2rem 1.5rem;
    border-top: 2px solid var(--color-primary);
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-content p {
    margin: 0.25rem 0;
    font-size: 0.95rem;
}

.footer-content strong {
    color: var(--color-primary);
    font-weight: 700;
}

.footer-note {
    font-size: 0.85rem;
    color: var(--color-gray-500) !important;
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* RESPONSIVE                                                                   */
/* ─────────────────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .selector-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .category-filters {
        gap: 0.4rem;
    }

    .category-filter-btn {
        padding: 0.5rem 0.85rem;
        font-size: 0.85rem;
    }

    .price-table {
        font-size: 0.85rem;
    }

    .price-table th,
    .price-table td {
        padding: 0.75rem 0.85rem;
    }

    .price-table th {
        font-size: 0.8rem;
    }

    .price-table th .unit {
        font-size: 0.65rem;
        margin-top: 0.15rem;
    }

    .col-category {
        width: 45%;
    }

    .col-price-eur {
        width: 20%;
    }
    
    .col-price-usd {
        width: 20%;
    }
    
    .col-trend {
        width: 15%;
    }

    .price-cell {
        font-size: 0.95rem;
    }

    .category-name {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .selector-wrapper {
        padding: 1.5rem;
    }

    .price-table th,
    .price-table td {
        padding: 0.6rem 0.6rem;
    }

    .price-table th {
        font-size: 0.7rem;
    }

    .price-table th .unit {
        font-size: 0.6rem;
    }

    .price-cell {
        font-size: 0.85rem;
        font-weight: 700;
    }

    .category-name {
        font-size: 0.8rem;
    }

    .footer {
        padding: 1.5rem 1rem;
    }

    .footer-content p {
        font-size: 0.8rem;
    }
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* CTA PANEL                                                                    */
/* ─────────────────────────────────────────────────────────────────────────── */

.cta-panel {
    /* Fixed floating bar on right side - sleek & professional */
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 160px;
    max-height: 90vh;
    
    background: var(--color-light);
    border: 1px solid #e5e7eb; /* Clean, subtle border */
    border-radius: 8px; /* Less rounded for corporate feel */
    padding: 1.25rem 0.75rem;
    margin-top: 0;
    z-index: 1000;
    
    /* Flex column for vertical button stack */
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    align-items: stretch;
    overflow-y: auto;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); /* Subtle, professional shadow */
}

.cta-panel h3 {
    display: none; /* Hide heading to save space */
}

/* Section header - subtle and professional */
.cta-panel-header {
    font-size: 0.65rem;
    font-weight: 700;
    color: #6b7280; /* Gray for subtlety */
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
    padding: 0;
}

.cta-btn {
    /* Secondary buttons - outline style for professional look */
    width: 100%;
    padding: 0.75rem 0.75rem;
    margin-bottom: 0;
    border: 1px solid #d1d5db; /* Light gray border */
    background: var(--color-light);
    color: var(--color-dark);
    border-radius: 6px; /* Slightly less rounded */
    font-weight: 600;
    font-size: 0.85rem;
    line-height: 1.2;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    display: block;
    text-align: center;
    flex-shrink: 0;
}

.cta-btn:hover {
    background-color: #f9fafb; /* Subtle hover background */
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.12);
}

.cta-btn:active {
    transform: scale(0.98);
}

/* Primary CTA button - solid red for high visibility */
.cta-btn-primary {
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: var(--color-light);
    font-weight: 700;
    font-size: 0.9rem;
}

/* Dynamic hover effect: secondary buttons turn white, others stay red */
.cta-btn-primary:first-of-type {
    /* This will be the Free Assessment button - always red */
}

.cta-btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-light);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
    transform: translateY(-2px);
}

/* When hovering over CTA panel, secondary buttons become white */
.cta-panel:hover .cta-btn-secondary {
    background: var(--color-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.cta-panel:hover .cta-btn-primary:not(:hover) {
    background: var(--color-light);
    border-color: var(--color-dark);
    color: var(--color-dark);
}

/* Override: first primary button stays red when panel is hovered */
.cta-panel:hover .cta-btn-primary:first-of-type {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-light);
}

.cta-btn-primary:hover {
    background: var(--color-primary-dark); /* Darker red on hover */
    border-color: var(--color-primary-dark);
    color: var(--color-light);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
    transform: translateY(-2px); /* Lift effect */
}

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

/* ─────────────────────────────────────────────────────────────────────────── */
/* MODAL OVERLAY                                                               */
/* ─────────────────────────────────────────────────────────────────────────── */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: var(--color-light);
    border-radius: 12px;
    padding: 2.5rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--color-gray-600);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    transition: all 0.2s ease;
}

.modal-close:hover {
    color: var(--color-primary);
    background: var(--color-gray-100);
    border-radius: 50%;
}

.modal-content h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 0.75rem;
}

.modal-content > p {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* FORM ELEMENTS                                                               */
/* ─────────────────────────────────────────────────────────────────────────── */

.assessment-form {
    display: none;
}

.assessment-form.show {
    display: block;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
    font-size: 0.95rem;
}

.form-group input[type="email"],
.form-group input[type="file"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-gray-300);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.form-group input[type="email"]:focus,
.form-group input[type="file"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
}

.file-upload-area {
    border: 2px dashed var(--color-primary);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--color-gray-100);
}

.file-upload-area:hover {
    border-color: #b91c1c;
    background: var(--color-gray-200);
}

.file-upload-area.dragover {
    border-color: var(--color-primary);
    background: rgba(220, 38, 38, 0.05);
}

.file-upload-area p {
    color: var(--color-gray-600);
    font-weight: 500;
    margin: 0;
}

.file-upload-area input[type="file"] {
    display: none;
}

/* File Preview List */
.file-preview-list {
    display: none;
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--color-gray-100);
    border-radius: 8px;
    border: 1px solid var(--color-gray-300);
}

.file-preview-list.show {
    display: block;
}

.file-preview-list h4 {
    margin: 0 0 0.75rem 0;
    font-size: 0.85rem;
    color: var(--color-gray-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.file-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.75rem;
}

.file-preview-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--color-light);
    border: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.file-preview-item:hover {
    transform: scale(1.05);
}

.file-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview-item .file-icon {
    font-size: 2rem;
    color: var(--color-primary);
}

.file-preview-item .remove-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 20px;
    height: 20px;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.file-preview-item:hover .remove-btn {
    opacity: 1;
}

.file-preview-item .remove-btn:hover {
    background: #dc2626;
}

.upload-progress {
    display: none;
    margin-bottom: 1.5rem;
}

.upload-progress.show {
    display: block;
}

.progress-bar-wrapper {
    background: var(--color-gray-200);
    border-radius: 8px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-bar-fill {
    background: linear-gradient(90deg, var(--color-primary) 0%, #b91c1c 100%);
    height: 100%;
    width: 0%;
    transition: width 0.2s ease;
}

.progress-text {
    font-size: 0.85rem;
    color: var(--color-gray-600);
    text-align: center;
}

.form-btn {
    width: 100%;
    padding: 1rem;
    background: var(--color-primary);
    color: var(--color-light);
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-btn:hover {
    background: #b91c1c;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.2);
}

.form-btn:active {
    transform: scale(0.98);
}

.form-btn:disabled {
    background: var(--color-gray-400);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* SUCCESS SCREEN                                                              */
/* ─────────────────────────────────────────────────────────────────────────── */

.success-message {
    display: none;
    text-align: center;
}

.success-message.show {
    display: block;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.success-message h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.success-message p {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* ERROR MESSAGE                                                               */
/* ─────────────────────────────────────────────────────────────────────────── */

.error-message {
    display: none;
    background: #fee2e2;
    border: 2px solid #fca5a5;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    color: #991b1b;
    font-size: 0.9rem;
}

.error-message.show {
    display: block;
}

/* ─────────────────────────────────────────────────────────────────────────── */
/* CTA PANEL RESPONSIVE                                                        */
/* ─────────────────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .cta-panel {
        right: 15px;
        top: auto;
        bottom: 20px;
        width: 140px;
        transform: none;
        padding: 1rem 0.75rem;
        gap: 0.7rem;
    }

    .cta-btn {
        padding: 0.7rem 0.6rem;
        font-size: 0.8rem;
    }
    
    .cta-btn-primary {
        font-size: 0.85rem;
        padding: 0.75rem 0.6rem;
    }
    
    .cta-panel-header {
        font-size: 0.6rem;
        margin-top: 0.65rem;
        margin-bottom: 0.4rem;
    }

    .modal-content {
        padding: 2rem;
        max-width: 90%;
    }

    .modal-content h2 {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .cta-panel {
        right: 10px;
        bottom: 15px;
        width: 125px;
        padding: 0.85rem 0.65rem;
        gap: 0.6rem;
    }

    .cta-btn {
        padding: 0.65rem 0.55rem;
        font-size: 0.75rem;
    }
    
    .cta-btn-primary {
        font-size: 0.8rem;
        padding: 0.7rem 0.55rem;
    }
    
    .cta-panel-header {
        font-size: 0.6rem;
        margin-top: 0.55rem;
        margin-bottom: 0.35rem;
    }

    .modal-content {
        padding: 1.5rem;
        border-radius: 8px;
    }

    .modal-close {
        top: 0.75rem;
        right: 0.75rem;
        width: 2rem;
        height: 2rem;
    }

    .modal-content h2 {
        font-size: 1.2rem;
    }

    .file-upload-area {
        padding: 1.5rem;
    }
}