/* ==========================================================================
   FONTS
   ========================================================================== */

@font-face {
    font-family: 'Mozilla Headline';
    src: url('/fonts/MozillaHeadline-VariableFont_wdth,wght.ttf') format('truetype-variations');
    font-weight: 100 900;
    font-stretch: 75% 125%;
}

@font-face {
    font-family: 'Mozilla Text';
    src: url('/fonts/MozillaText-VariableFont_wght.ttf') format('truetype-variations');
    font-weight: 100 900;
}

/* ==========================================================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   ========================================================================== */

:root {
    --primary-green: #2d5a27;
    --light-green: #4a7c59;
    --soft-green: #e8f5e8;
    --accent-blue: #5b9bd5;
    --accent-purple: #8e7cc3;
    --accent-pink: #d195a7;
    --text-dark: #2c3e50;
    --text-light: #6c7b7f;
    --background: #ffffff;
    --surface: #f8fffe;
    --border: #e0e8e0;
    --shadow: rgba(45, 90, 39, 0.1);
}

/* Dark theme override */
[data-theme="dark"] {
    --primary-green: #4a8c5e;
    --light-green: #5fa478;
    --soft-green: #1e2b22;
    --text-dark: #e8f2e8;
    --text-light: #9db0a0;
    --background: #1a1d20;
    --surface: #242831;
    --border: #353a3f;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   RESET AND BASE STYLES
   ========================================================================== */

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

body {
    font-family: 'Mozilla Text', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--background);
    transition: all 0.3s ease;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Mozilla Headline', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

h2 {
    color: var(--primary-green);
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: 600;
    padding-left: 0;
}

/* Scroll offset for anchor links due to sticky header */
section {
    scroll-margin-top: 180px; /* Increased from 140px */
}

/* ==========================================================================
   LAYOUT COMPONENTS
   ========================================================================== */

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================================================
   HEADER
   ========================================================================== */

header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 50%, var(--accent-blue) 100%);
    color: white;
    padding: 40px 0 30px 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
    min-height: 120px;
    padding-bottom: 40px;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, 
        var(--accent-purple) 0%, 
        transparent 50%), 
        radial-gradient(circle at 70% 30%, 
        var(--accent-pink) 0%, 
        transparent 50%);
    opacity: 0.2;
    z-index: 1;
}

header .container {
    position: relative;
    z-index: 2;
}

header h1 {
    font-family: 'Mozilla Headline', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 700;
    font-size: 2.5rem;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.nav-links {
    padding: 15px 0;
    margin-bottom: 20px;
    position: sticky;
    top: 120px;
    z-index: 99;
    background: var(--background);
    border-bottom: 1px solid var(--border);
}

.nav-links .container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    align-items: center;
}

.nav-links a {
    background: var(--soft-green);
    color: var(--primary-green);
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background: var(--primary-green);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px var(--shadow);
}

/* ==========================================================================
   SECTIONS
   ========================================================================== */

.section {
    margin-bottom: 50px;
    background: var(--surface);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid var(--border);
}

.resources {
    background: var(--surface);
}

/* ==========================================================================
   WARNING BOX
   ========================================================================== */

.warning-box {
    background: linear-gradient(135deg, #ffffcc 0%, #ffffe0 100%);
    border: 2px solid #ffeb3b;
    border-radius: 8px;
    padding: 20px;
    margin-top: 25px;
}

.warning-box h3 {
    color: #f57f17;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.warning-box h3::before {
    content: '💡';
    margin-right: 8px;
}

.warning-box p {
    color: #e65100;
    margin: 0;
}

.warning-box ul {
    color: #e65100;
    margin: 10px 0 10px 20px;
}

.warning-box li {
    margin-bottom: 5px;
}

.warning-box a {
    color: #f57f17;
    text-decoration: underline;
}

.warning-box a:hover {
    color: #e65100;
    text-decoration: none;
}

/* ==========================================================================
   SEARCH FUNCTIONALITY
   ========================================================================== */

.search-container {
    margin-bottom: 30px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 15px 50px 15px 20px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 25px;
    background: var(--background);
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

/* Dark theme focus adjustment */
[data-theme="dark"] .search-input:focus {
    box-shadow: 0 0 0 3px rgba(74, 140, 94, 0.2);
}

.search-clear {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
    display: none;
}

.search-clear:hover {
    background: var(--border);
    color: var(--text-dark);
}

.search-clear.visible {
    display: block;
}

/* ==========================================================================
   ACCORDION COMPONENTS
   ========================================================================== */

.accordion {
    margin-top: 20px;
}

.accordion-item {
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    box-shadow: 0 2px 10px var(--shadow);
}

.accordion-header {
    background: var(--soft-green);
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    background: var(--light-green);
    color: white;
}

.accordion-header:hover .english-term {
    color: white;
}

.accordion-header.active {
    background: var(--primary-green);
    color: white;
}

.accordion-header.active .english-term {
    color: white;
}

.accordion-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--background);
}

.accordion-content.active {
    max-height: 600px;
    overflow-y: auto;
}

.accordion-body {
    padding: 20px;
    border-top: 1px solid var(--border);
}

/* English translation styling */
.english-term {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-light);
    font-style: italic;
    margin-top: 4px;
    display: block;
    transition: color 0.3s ease;
}

/* ==========================================================================
   INGREDIENT INFO
   ========================================================================== */

.ingredient-info {
    display: grid;
    gap: 15px;
}

.info-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 15px;
    align-items: start;
}

.info-label {
    font-weight: 600;
    color: var(--primary-green);
    min-width: 120px;
}

.info-content {
    color: var(--text-light);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.alternatives {
    background: var(--soft-green);
    padding: 15px;
    border-radius: 6px;
    margin-top: 10px;
}

.alternatives h4 {
    color: var(--primary-green);
    margin-bottom: 5px;
}

/* ==========================================================================
   E-NUMBERS SECTION
   ========================================================================== */

.enumre-toggle {
    background: var(--primary-green);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.enumre-toggle:hover {
    background: var(--light-green);
    transform: translateY(-1px);
}

.enumre-content {
    display: none;
}

.enumre-content.active {
    display: block;
}

.enumre-legend {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--soft-green);
    border-radius: 8px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

/* E-numbers table */
.enumre-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: var(--background);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px var(--shadow);
}

.enumre-table th {
    background: var(--primary-green);
    color: white;
    padding: 15px 10px;
    text-align: left;
    font-weight: 600;
}

.enumre-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.enumre-table tr:hover {
    background: var(--soft-green);
}

.e-number {
    font-weight: 600;
    color: var(--primary-green);
    min-width: 60px;
}

.category-indicator {
    font-size: 1.2rem;
    text-align: center;
}

/* ==========================================================================
   RESOURCE CARDS
   ========================================================================== */

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.resource-card {
    background: var(--background);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--shadow);
}

.resource-card h3 {
    color: var(--primary-green);
    margin-bottom: 10px;
}

.resource-card a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
}

.resource-card a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   TOOLTIPS
   ========================================================================== */

.tooltip {
    position: relative;
    cursor: help;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: var(--text-dark);
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 0.85rem;
    line-height: 1.3;
    
    /* Position the tooltip */
    position: absolute;
    z-index: 1001;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    
    /* Fade in tooltip */
    opacity: 0;
    transition: opacity 0.3s;
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--text-dark) transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Dark mode tooltip adjustments */
[data-theme="dark"] .tooltip .tooltiptext {
    background-color: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-dark);
}

[data-theme="dark"] .tooltip .tooltiptext::after {
    border-color: var(--surface) transparent transparent transparent;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

footer {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 50%, var(--accent-blue) 100%);
    color: white;
    padding: 60px 0 40px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    clip-path: polygon(0 15%, 100% 0, 100% 100%, 0 100%);
    margin-top: 40px;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, 
        var(--accent-purple) 0%, 
        transparent 50%), 
        radial-gradient(circle at 30% 70%, 
        var(--accent-pink) 0%, 
        transparent 50%);
    opacity: 0.2;
    z-index: 1;
}

footer .container {
    position: relative;
    z-index: 2;
}

/* ==========================================================================
   THEME TOGGLE
   ========================================================================== */

.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--primary-green);
    color: white;
    border: none;
    border-radius: 25px;
    padding: 12px;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 15px var(--shadow);
    transition: all 0.3s ease;
    z-index: 1000;
    width: 48px;
    height: 48px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow);
    width: 200px;
    justify-content: flex-start;
    padding: 12px 16px;
}

.theme-toggle .theme-options {
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease 0.1s;
}

.theme-toggle:hover .theme-options {
    opacity: 1;
}

.theme-toggle .theme-option {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.theme-toggle .theme-option:hover {
    background: rgba(255, 255, 255, 0.2);
}

.theme-toggle .theme-option.active {
    display: none;
}

.theme-toggle .current-icon {
    font-size: 1.2rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.theme-toggle:hover .current-icon {
    opacity: 0;
    pointer-events: none;
}

/* Disable expansion on mobile - direct toggle only */
@media (max-width: 768px) {
    .theme-toggle:hover {
        width: 44px !important;
        justify-content: flex-end !important;
        padding: 10px !important;
    }
    
    .theme-toggle:hover .theme-options {
        opacity: 0 !important;
    }
    
    .theme-toggle:hover .current-icon {
        opacity: 1 !important;
    }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.hidden {
    display: none;
}

/* ==========================================================================
   MOBILE RESPONSIVE STYLES
   ========================================================================== */

/* Mobile-friendly E-numbers table */
@media (max-width: 768px) {
    /* General mobile adjustments */
    h1 {
        font-size: 2rem;
    }
    
    header {
        padding: 30px 0 20px 0;
        min-height: 90px;
    }
    
    .nav-links {
        top: 90px;
        padding: 12px 0;
        margin-bottom: 15px;
    }

    /* Increased scroll offset for mobile */
    section {
        scroll-margin-top: 200px; /* Increased from 110px */
    }

    .container {
        padding: 0 15px;
    }

    .section {
        padding: 20px;
        margin-bottom: 30px;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .info-row {
        grid-template-columns: 1fr;
        gap: 5px;
    }

    .resource-grid {
        grid-template-columns: 1fr;
    }

    .nav-links .container {
        justify-content: center;
        gap: 10px;
    }
    
    .nav-links a {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .accordion-header span {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }

    .accordion-body {
        word-wrap: break-word;
        overflow-wrap: break-word;
        padding: 15px;
    }

    .info-content {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .accordion-content.active {
        max-height: 800px;
        overflow-y: visible;
    }

    .alternatives {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .search-input {
        padding: 12px 45px 12px 15px;
        font-size: 0.9rem;
    }

    .search-clear {
        right: 12px;
        font-size: 1.1rem;
    }

    /* Theme toggle mobile adjustments */
    .theme-toggle {
        width: 44px;
        height: 44px;
        padding: 10px;
    }

    .theme-toggle:hover {
        width: 180px;
        padding: 10px 12px;
    }

    .theme-toggle .theme-option {
        font-size: 0.8rem;
        gap: 4px;
        padding: 3px 6px;
    }

    /* E-numbers table mobile styling */
    .enumre-table {
        font-size: 0.85rem;
        border: none;
        box-shadow: none;
    }
    
    .enumre-table thead {
        display: none;
    }
    
    .enumre-table tbody {
        display: block;
    }
    
    .enumre-table tr {
        display: block;
        border: 1px solid var(--border);
        border-radius: 8px;
        margin-bottom: 10px;
        padding: 15px;
        background: var(--background);
        box-shadow: 0 2px 5px var(--shadow);
    }
    
    .enumre-table tr:hover {
        background: var(--soft-green);
    }
    
    .enumre-table td {
        display: block;
        padding: 5px 0;
        border: none;
        text-align: left;
    }
    
    .enumre-table .e-number {
        font-size: 1.1rem;
        margin-bottom: 5px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .enumre-table .category-indicator {
        display: inline-block;
        text-align: left;
        font-size: 1rem;
    }
    
    .enumre-table .e-name {
        font-weight: 600;
        color: var(--text-dark);
        margin-bottom: 5px;
        font-size: 0.95rem;
    }
    
    .enumre-table .e-description {
        color: var(--text-light);
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .enumre-legend {
        flex-direction: column;
        gap: 10px;
    }
}