.dropdown {
    position: relative;
    padding-bottom: 15px; 
    margin-bottom: -15px;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    list-style: none;
    padding: 10px 0;
    margin: 0; /* Remove the gap */
    min-width: 180px;
    z-index: 1001;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 8px 20px;
    color: var(--text-secondary);
}

.dropdown-menu li a:hover {
    background-color: var(--bg-dark);
    color: var(--text-primary);
}

.nav-links .dropdown > a .fa-chevron-down {
    font-size: 0.7em;
    margin-left: 5px;
    transition: transform 0.3s;
}

.dropdown:hover > a .fa-chevron-down {
    transform: rotate(180deg);
}

.download-button.in-development {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    pointer-events: none;
}

.download-button.in-development:hover {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-secondary);
}


.control-group input[type="text"],
.control-group input[type="file"] {
    display: block;
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
    box-sizing: border-box;
}

.control-group input[type="file"] {
    padding: 10px;
}

.control-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: -5px 0 15px 0;
}

.cta-button.full-width {
    width: 100%;
    text-align: center;
}

.secondary-button {
    display: inline-block;
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: background-color 0.3s, border-color 0.3s;
}
.secondary-button:hover {
    background-color: var(--bg-light);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

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

.qrcode-item {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.qrcode-item h3 {
    margin: 0;
    font-size: 1.2rem;
    word-break: break-word;
}

.qrcode-item img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    background-color: white;
    padding: 10px;
    box-sizing: border-box;
}

.qrcode-item .qrcode-url {
    font-size: 0.9rem;
    color: var(--text-secondary);
    word-break: break-all;
    margin: 0;
}

@media print {
    body > *:not(#output) {
        display: none !important;
    }
    #output, #output * {
        visibility: visible;
    }
    #output {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
    }
    .button-group {
        display: none !important;
    }
    .qrcode-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 30px;
    }
    .qrcode-item {
        border: 1px solid #ccc;
        box-shadow: none;
        page-break-inside: avoid;
    }
}

:root {
    --bg-dark: #0d1117;
    --bg-light: #161b22; 
    --text-primary: #e6edf3; 
    --text-secondary: #8b949e; 
    --border-color: #30363d; 
    --accent-primary: #00f6ff; 
    --accent-secondary: #00a2ff;

    --font-family: 'Inter', sans-serif;
}

/* GENERAL STYLES */
body {
    margin: 0;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--accent-primary);
}

/* HEADER & NAVIGATION */
.main-header {
    background-color: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.main-header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
	white-space: nowrap;
}

.logo {
    height: 40px;
    margin-right: -5px;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-icon-link {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-icon-link img {
    height: 20px;
    filter: invert(80%) sepia(50%) saturate(5000%) hue-rotate(170deg);
}

/* HERO SECTION */
.hero {
    text-align: center;
    padding: 100px 0;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.cta-button {
    display: inline-block;
    padding: 15px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(90deg, var(--accent-secondary), var(--accent-primary));
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 162, 255, 0.2);
}

/* APPS SECTION */
.apps-section {
    /*padding: 80px 0;*/
    background-color: var(--bg-light);
}

.apps-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.app-card {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.app-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-secondary);
    box-shadow: 0 0 15px rgba(0, 162, 255, 0.3);
}

.app-card img {
    height: 5rem; 
    width: 5rem;  
    margin-bottom: 20px; 
}

.app-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.app-card p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.download-button {
    display: inline-block;
    padding: 10px 25px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-weight: 600;
}

.download-button:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
    color: white;
}

/* FOOTER */
.main-footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* KNITTING PAGE */
.page-header { text-align: center; padding: 40px 0; }
.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
    background-color: var(--bg-light);
    border-radius: 8px;
    margin-top: 20px;
    border: 1px solid var(--border-color);
}
.control-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-secondary);
}
#output { margin-top: 20px; text-align: center; }
#chart-container {
    position: relative;
    display: inline-block;
    max-width: 100%;
    overflow: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}
#info-bar {
    margin-bottom: 15px;
    padding: 12px;
    background-color: var(--bg-light);
    border-radius: 5px;
    text-align: left;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}
#loader { display: none; text-align: center; padding: 20px; }
.button-group { display: flex; justify-content: center; gap: 15px; margin-top: 20px; }
canvas { display: block; }

@media (max-width: 768px) {
    .logo-link {
        font-size: 1.8rem;
    }

    .logo {
        height: 30px;
    }
}