* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* Disable text selection by default */
    -webkit-user-select: none; /* Safari */
    -moz-user-select: none;    /* Firefox */
    -ms-user-select: none;     /* IE10+ */
    user-select: none;         /* Standard */
}

:root {
    --bg-primary: #0A0A13; /* Deep, dark space background */
    --bg-secondary: #12121E; /* Slightly lighter for main sections */
    --bg-tertiary: #1C1C2C; /* For nested cards or interactive elements */
    
    --neon-cyan: #00E8FF; /* Brighter, more electric cyan */
    --neon-purple: #9D38FA; /* Richer, more vibrant purple */
    --neon-pink: #FF4081; /* Punchier pink */

    --text-primary: #EAEAEA; /* Near-white for main content */
    --text-secondary: #B0B0C4; /* Soft grey for descriptions, less crucial text */
    --text-highlight: var(--neon-cyan); /* For active states or important keywords */

    --glass-bg: rgba(255, 255, 255, 0.03); /* More transparent glass base */
    --glass-border: rgba(255, 255, 255, 0.1); /* Slightly more visible glass border */
    --border-radius-main: 16px; /* Modern, medium rounded corners */
    --border-radius-sm: 8px; /* Smaller rounded corners for elements */

    --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.25); /* Subtle depth */
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.4); /* More pronounced shadow */
    --shadow-neon: 0 0 25px rgba(0, 232, 255, 0.35); /* Soft, glowing neon shadow */
    --shadow-inset: inset 0 2px 6px rgba(0, 0, 0, 0.3); /* For inputs */
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility; /* Enhance text readability */
    -webkit-font-smoothing: antialiased; /* Smoother fonts on Webkit */
    -moz-osx-font-smoothing: grayscale; /* Smoother fonts on Firefox */
}

/* Allow text selection for specific elements */
input, textarea, pre, code {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* Background Animations */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px); /* More blur for a softer glow */
    opacity: 0.4; /* Slightly less opaque */
    animation: float 30s infinite ease-in-out; /* Slower animation */
    will-change: transform, opacity;
}

.sphere-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--neon-cyan), transparent);
    top: -250px;
    left: -300px;
    animation-delay: 0s;
}

.sphere-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--neon-purple), transparent);
    bottom: -250px;
    right: -250px;
    animation-delay: 10s;
}

.sphere-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--neon-pink), transparent);
    top: 30%;
    left: 70%;
    transform: translate(-50%, -50%);
    animation-delay: 20s;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 232, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 232, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px; /* Larger grid cells */
    animation: gridMove 50s linear infinite; /* Slower animation */
    opacity: 0.6;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-20px, 40px) scale(1.05); }
    66% { transform: translate(30px, -20px) scale(0.95); }
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

/* Header & Navigation */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 35px;
    background: rgba(10, 10, 19, 0.7); /* Slightly more transparent */
    backdrop-filter: blur(15px); /* Stronger blur */
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.logo { font-family: 'Orbitron', monospace; font-size: 1.8rem; font-weight: 900; text-decoration: none; }
.logo-glow { color: var(--neon-cyan); text-shadow: 0 0 10px var(--neon-cyan), 0 0 20px rgba(0, 232, 255, 0.7), 0 0 30px rgba(0, 232, 255, 0.4); }
.logo-accent { color: var(--text-primary); }

.main-nav { display: flex; gap: 30px; } /* Slightly less gap */
.nav-link { color: var(--text-secondary); text-decoration: none; font-weight: 500; transition: all 0.3s ease; position: relative; padding: 5px 0; }
.nav-link::after { content: ''; position: absolute; bottom: -5px; left: 50%; transform: translateX(-50%); width: 0; height: 3px; background: var(--neon-cyan); border-radius: 2px; transition: width 0.4s cubic-bezier(0.25, 0.8, 0.25, 1); }
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--neon-cyan); }

.mobile-menu-btn { display: none; }

/* Main Container & Page Layout */
.container {
    max-width: 1200px; /* Wider container */
    margin: 0 auto;
    padding: 40px 25px;
    position: relative;
    z-index: 1;
}
.page-container { padding-top: 60px; padding-bottom: 60px; }

/* Home Page: Hero */
.hero-section {
    text-align: center;
    padding: 80px 0;
}
.header-glow {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 450px;
    height: 150px;
    background: radial-gradient(ellipse, rgba(0, 232, 255, 0.4), transparent);
    filter: blur(80px);
    animation: pulse-glow 3.5s ease-in-out infinite alternate;
    z-index: -1;
    opacity: 0.8;
}

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    margin-bottom: 15px;
    padding: 10px;
    transition: all 0.3s ease;
}

.faq-item summary {
    padding: 15px;
    font-weight: 600;
    cursor: pointer;
    color: var(--neon-cyan);
    list-style: none;
    position: relative;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-item p {
    padding: 15px;
    color: var(--text-secondary);
    border-top: 1px solid var(--glass-border);
    margin-top: 10px;
    line-height: 1.7;
}

.faq-item:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 232, 255, 0.1);
}

@keyframes pulse-glow {
    0% { opacity: 0.3; transform: translateX(-50%) scale(1); }
    100% { opacity: 0.6; transform: translateX(-50%) scale(1.1); }
}

.main-title {
    text-align: center;
    font-family: 'Orbitron', monospace;
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 15px;
    position: relative;
    letter-spacing: 3px;
    text-shadow: 0 0 40px rgba(0, 232, 255, 0.5);
}

.title-glow {
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: text-shimmer 4s ease-in-out infinite alternate;
}

.title-accent {
    color: var(--text-primary);
    text-shadow: 0 0 25px rgba(255, 255, 255, 0.6);
}

@keyframes text-shimmer {
    0% { filter: brightness(1); text-shadow: 0 0 20px rgba(0, 232, 255, 0.4); }
    100% { filter: brightness(1.3); text-shadow: 0 0 40px rgba(0, 232, 255, 0.7); }
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.intro-paragraph {
    text-align: center;
    color: var(--text-primary);
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 40px auto;
    line-height: 1.7;
    padding: 0 15px;
}

.hero-cta {
    display: inline-block;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: var(--bg-primary);
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 8px 25px rgba(0, 232, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.hero-cta:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 232, 255, 0.5);
}

/* Home Page: Features */
.features-section {
    padding: 70px 0;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-main);
    padding: 35px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, rgba(0,232,255,0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease-out;
    z-index: 0;
}
.feature-card:hover::before {
    opacity: 1;
}
.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-cyan);
    box-shadow: var(--shadow-medium), var(--shadow-neon);
}
.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}
.feature-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 232, 255, 0.2);
    position: relative;
    z-index: 1;
}
.feature-card p {
    color: var(--text-secondary);
    flex-grow: 1;
    text-align: center;
    padding: 0 10px;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}
.feature-link {
    color: var(--neon-purple);
    font-weight: 600;
    margin-top: 20px;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* Tool Pages Layout */
.tool-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-main);
    padding: 50px;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease-in-out;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-family: 'Orbitron', monospace;
    font-size: 3rem;
    margin-bottom: 15px;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 15px rgba(0, 232, 255, 0.3);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto;
}

/* Inputs & Prompts */
.prompt-container {
    margin-bottom: 30px;
}

textarea {
    width: 100%;
    min-height: 140px;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    color: var(--text-primary);
    font-size: 1rem;
    resize: vertical;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-inset);
}

textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

textarea:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: var(--shadow-neon), var(--shadow-inset);
    background: var(--bg-tertiary);
}

.advanced-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 25px 0;
}

.option-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.neon-select, .neon-input {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-sm);
    padding: 14px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    appearance: none; /* Remove default arrow */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300E8FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 20px;
    box-shadow: var(--shadow-inset);
}

.neon-select:focus, .neon-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: var(--shadow-neon), var(--shadow-inset);
    background-color: var(--bg-tertiary);
}

/* Custom Model Selector */
.model-selector {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 15px 20px;
    font-size: 1.05rem;
}

.model-selector #selectedImageModelText {
    font-size: 1.05rem;
}

.model-selector .selector-icon {
    font-size: 1.2rem;
}

.model-selector.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Buttons */
.action-btn {
    position: relative;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    border: none;
    border-radius: 50px;
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bg-primary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.action-btn.secondary-action {
    background: var(--bg-secondary);
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: var(--shadow-light);
}

.action-btn.secondary-action:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    box-shadow: var(--shadow-neon);
    transform: translateY(-3px);
    filter: brightness(1.1);
}

.action-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium), 0 0 30px var(--neon-cyan), 0 0 50px rgba(157, 56, 250, 0.4);
    filter: brightness(1.2);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: none;
    box-shadow: none;
    transform: none;
}

.btn-loader {
    display: none;
    width: 22px;
    height: 22px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

.action-btn.loading .btn-text {
    display: none;
}

.action-btn.loading .btn-loader {
    display: inline-block;
}

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

.clear-btn {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 16px 30px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.clear-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: linear-gradient(135deg, rgba(255, 64, 129, 0.2), rgba(157, 56, 250, 0.2));
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.4s ease;
    z-index: 0;
}

.clear-btn:hover {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 64, 129, 0.3);
}

.clear-btn:hover::before {
    width: 130%;
    height: 130%;
    opacity: 1;
}

.clear-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(255, 64, 129, 0.2);
}

/* Result Containers */
.result-container {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-main);
    padding: 40px;
    margin-top: 40px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease-in-out;
}

.result-container:hover {
    border-color: rgba(0, 232, 255, 0.2);
    box-shadow: 0 10px 35px rgba(0, 232, 255, 0.1);
}

.result-container h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 232, 255, 0.2);
}

.result-container img, .result-container video {
    max-width: 100%;
    max-height: 550px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 232, 255, 0.1);
    object-fit: contain;
}

#generatedImage {
    max-width: 100%;
    max-height: 550px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    object-fit: contain;
}

.download-btn {
    margin-top: 30px;
    background: rgba(0, 232, 255, 0.08);
    border: 1px solid var(--neon-cyan);
    border-radius: 50px;
    padding: 14px 35px;
    color: var(--neon-cyan);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
}

.download-btn:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    box-shadow: 0 6px 20px rgba(0, 232, 255, 0.4);
    transform: translateY(-2px);
}

.download-btn svg {
    width: 20px;
    height: 20px;
}

.edit-generated-btn {
    margin-top: 25px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    border: none;
    border-radius: 50px;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--bg-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 15px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.edit-generated-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 232, 255, 0.4);
}

/* Status Messages */
.generator-status-message {
    display: none;
    margin-bottom: 25px;
    padding: 18px 25px;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    transition: opacity 0.3s ease-in-out;
    opacity: 1;
    box-shadow: var(--shadow-light);
}

.generator-status-message.loading {
    color: var(--neon-cyan);
    background-color: rgba(0, 232, 255, 0.08);
    border-color: rgba(0, 232, 255, 0.3);
    box-shadow: 0 0 15px rgba(0, 232, 255, 0.2);
}

.generator-status-message.success {
    color: #00E676; /* Vibrant green */
    background-color: rgba(0, 230, 118, 0.08);
    border-color: rgba(0, 230, 118, 0.3);
}

.generator-status-message.error {
    color: #FF5252; /* Vibrant red */
    background-color: rgba(255, 82, 82, 0.08);
    border-color: rgba(255, 82, 82, 0.3);
}

#globalAppStatus {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1010;
}

/* Loading & Error Overlays */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92); /* Even darker, more opaque */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    pointer-events: none;
    backdrop-filter: blur(18px);
}

.loading-content {
    text-align: center;
    background: var(--bg-tertiary);
    border: 1px solid rgba(0, 232, 255, 0.3);
    border-radius: var(--border-radius-main);
    padding: 40px;
    width: 300px;
    max-width: 90%;
    animation: pulse-glow 2s ease-in-out infinite alternate; /* Use existing pulse-glow for content */
    box-shadow: 0 15px 35px rgba(0, 232, 255, 0.25);
    pointer-events: auto;
}

.spinner {
    width: 45px;
    height: 45px;
    border: 4px solid rgba(0, 232, 255, 0.3);
    border-top: 4px solid var(--neon-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loading-text {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--neon-cyan);
}

.loading-dots span {
    display: inline-block;
    width: 10px;
    height: 10px;
    background: var(--neon-cyan);
    border-radius: 50%;
    margin: 0 5px;
    animation: bounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); opacity: 0; }
    40% { transform: scale(1); opacity: 1; }
}

/* Error Notification */
.error-notification {
    position: fixed;
    bottom: 35px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 82, 82, 0.98);
    border: 1px solid #FF5252;
    border-radius: var(--border-radius-sm);
    padding: 18px 25px;
    color: white;
    font-weight: 500;
    z-index: 1000;
    box-shadow: 0 5px 18px rgba(255, 82, 82, 0.4);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: slideInUp 0.6s ease-out;
}

.error-notification .error-icon {
    font-size: 1.5rem;
}

.error-notification .error-text {
    flex-grow: 1;
}

.error-notification button {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
}

@keyframes slideInUp {
    from { transform: translateX(-50%) translateY(100px); opacity: 0; }
    to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

/* Website Preview */
.preview-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    justify-content: center;
}

.preview-btn {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 12px 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.preview-btn.active {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 232, 255, 0.4);
    transform: translateY(-2px);
}

.preview-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 232, 255, 0.3);
    color: var(--text-primary);
}

.preview-wrapper {
    position: relative;
    width: 100%;
    height: 700px;
    background: var(--bg-primary);
    border-radius: var(--border-radius-main);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-medium);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 15px;
}

#websitePreview {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    border-radius: 10px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
}

#websitePreview.mobile {
    width: 400px; /* Common mobile width */
    height: 850px; /* Common mobile height */
    max-width: 100%;
    max-height: 100%;
    border-radius: 35px;
    border: 8px solid var(--bg-secondary);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

#websitePreview.tablet {
    width: 800px; /* Common tablet width */
    height: 1050px; /* Common tablet height */
    max-width: 100%;
    max-height: 100%;
    border-radius: 25px;
    border: 10px solid var(--bg-secondary);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.action-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* History Section */
.history-container {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-main);
    padding: 30px 35px;
    margin-top: 40px;
    text-align: center;
}

.history-container h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 232, 255, 0.2);
}

.history-container p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
}

.history-item {
    aspect-ratio: 1 / 1;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: var(--shadow-light);
}

.history-item:hover {
    border-color: var(--neon-cyan);
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 232, 255, 0.3);
}

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

.history-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.history-item-website {
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.history-item-website:hover {
    border-color: var(--neon-purple);
    box-shadow: 0 0 15px rgba(157, 56, 250, 0.2);
    transform: translateY(-2px);
}

.history-prompt {
    flex-grow: 1;
    text-align: left;
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.history-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.history-btn {
    background: rgba(0, 232, 255, 0.1);
    border: 1px solid var(--neon-cyan);
    border-radius: 30px;
    padding: 8px 16px;
    color: var(--neon-cyan);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9rem;
}

.history-btn:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    box-shadow: 0 0 10px rgba(0, 232, 255, 0.3);
}

/* Chatbot UI */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 70vh;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-main);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    scroll-behavior: smooth;
}

.message {
    display: flex;
    max-width: 85%;
    animation: fadeIn 0.5s ease-out;
    position: relative;
    z-index: 1;
}

.bot-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
}

.message-content {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(0, 232, 255, 0.3);
}

.bot-message .message-avatar {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
}

.user-message .message-avatar {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
    box-shadow: 0 0 10px rgba(157, 56, 250, 0.3);
}

.message-text-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 100%;
}

.message-text {
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.15);
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.5;
    color: var(--text-primary);
    box-shadow: var(--shadow-light);
    font-size: 1rem;
}

.copy-msg-btn {
    position: absolute;
    bottom: -10px;
    right: -10px;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
    opacity: 0;
    z-index: 2;
}

.message:hover .copy-msg-btn {
    opacity: 1;
}

.copy-msg-btn:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    transform: scale(1.1);
}

.user-message .message-text {
    background: rgba(0, 232, 255, 0.15);
    border-color: rgba(0, 232, 255, 0.3);
}

.message-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin-top: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.chat-input-container {
    display: flex;
    gap: 15px;
    padding: 20px 25px;
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    align-items: flex-end;
    flex-wrap: wrap;
}

.chat-upload-btn {
    background: rgba(0, 232, 255, 0.15);
    border: 1px solid var(--neon-cyan);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--neon-cyan);
    transition: all 0.2s ease;
    flex-shrink: 0;
    align-self: flex-end;
    margin-bottom: 5px;
    box-shadow: var(--shadow-light);
}

.chat-upload-btn:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    box-shadow: 0 0 15px rgba(0, 232, 255, 0.4);
}

.chat-upload-btn svg {
    width: 24px;
    height: 24px;
}

.chat-input {
    flex: 1;
    min-width: 150px;
    min-height: 45px;
    max-height: 120px;
    resize: none;
    overflow-y: auto;
    align-self: flex-end;
    margin-bottom: 5px;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-sm);
    padding: 12px 18px;
    color: var(--text-primary);
    font-size: 1rem;
    box-shadow: var(--shadow-inset);
}

.chat-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: var(--shadow-neon), var(--shadow-inset);
}

.chat-send-btn {
    width: auto;
    padding: 12px 25px;
    margin: 0;
    max-height: 45px;
    align-self: flex-end;
    margin-bottom: 5px;
    font-size: 1rem;
    flex-shrink: 0;
}

.chat-image-preview-wrapper {
    position: relative;
    height: 100px;
    border: 1px solid rgba(0, 232, 255, 0.3);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 10px;
    flex-basis: 100%;
    flex-shrink: 0;
    margin-right: 0;
    background: var(--bg-primary);
    box-shadow: var(--shadow-light);
}

.chat-image-preview-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.remove-chat-image-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.1rem;
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease;
    z-index: 2;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.remove-chat-image-btn:hover {
    background: var(--neon-pink);
}

/* Scrollbar styling for chat */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-purple));
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-pink));
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    align-self: flex-start;
    max-width: 80%;
    box-shadow: var(--shadow-light);
}

.typing-indicator .typing-dots span {
    width: 10px;
    height: 10px;
    background: var(--neon-cyan);
    border-radius: 50%;
    animation: typing 1.4s ease-in-out infinite;
}

.typing-indicator .typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator .typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-8px); }
}

/* API Docs Section */
.api-content {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-main);
    padding: 50px;
    margin-top: 40px;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease-in-out;
}

.api-content:hover {
    border-color: rgba(0, 232, 255, 0.2);
    box-shadow: 0 10px 35px rgba(0, 232, 255, 0.1);
}

.api-content h3 {
    font-family: 'Orbitron', monospace;
    color: var(--neon-cyan);
    margin-bottom: 25px;
    font-size: 2rem;
    text-align: left;
    line-height: 1.3;
    text-shadow: 0 0 10px rgba(0, 232, 255, 0.2);
}

.api-content p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
    font-size: 1.05rem;
}

.code-block-wrapper {
    position: relative;
    margin-bottom: 35px;
}

.api-content pre {
    background: #0D0D15; /* Darker background for code */
    border: 1px solid rgba(0, 232, 255, 0.2);
    border-radius: var(--border-radius-sm);
    padding: 25px;
    overflow-x: auto;
    font-family: 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.95em;
    line-height: 1.7;
    color: #C0C0D0; /* Lighter text color for code */
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2);
}

.api-content code {
    white-space: pre-wrap;
    word-break: break-all;
}

.copy-code-btn {
    position: absolute;
    top: 18px;
    right: 18px;
    background: rgba(0, 232, 255, 0.2);
    border: 1px solid var(--neon-cyan);
    border-radius: 10px;
    padding: 10px 18px;
    color: var(--neon-cyan);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-light);
}

.copy-code-btn:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    box-shadow: 0 0 20px rgba(0, 232, 255, 0.4);
    transform: translateY(-2px);
}

#changePromptTextarea {
    width: 100%;
    min-height: 120px;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    color: var(--text-primary);
    font-size: 1rem;
    resize: vertical;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-inset);
    margin-bottom: 25px;
}

#changePromptTextarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

#changePromptTextarea:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: var(--shadow-neon), var(--shadow-inset);
    background: var(--bg-tertiary);
}

.api-content .model-list {
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 30px;
}

.api-content .model-list li {
    background: var(--bg-tertiary);
    border-left: 5px solid var(--neon-purple);
    padding: 15px 25px;
    margin-bottom: 12px;
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Fira Code', monospace;
    font-size: 1rem;
    line-height: 1.6;
    box-shadow: var(--shadow-light);
}

/* Model Selection Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1005;
    backdrop-filter: blur(20px);
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--bg-primary);
    border: 1px solid var(--neon-cyan);
    border-radius: var(--border-radius-main);
    padding: 35px;
    width: 90%;
    max-width: 850px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 0 50px rgba(0, 232, 255, 0.4);
    position: relative;
    display: flex;
    flex-direction: column;
    animation: scaleIn 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.close-modal-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2.2rem;
    cursor: pointer;
    transition: color 0.2s ease;
    line-height: 1;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.close-modal-btn:hover {
    color: var(--neon-pink);
}

.modal-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.2rem;
    color: var(--neon-cyan);
    text-align: center;
    margin-bottom: 30px;
    text-shadow: 0 0 15px rgba(0, 232, 255, 0.3);
}

.modal-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 30px;
}

/* Code Editor Modal Specifics */
.code-editor-modal-content {
    width: 90%;
    max-width: 1100px;
    height: 90vh;
}

#codeEditorTextarea {
    flex-grow: 1;
    width: 100%;
    background: #0D0D15;
    border: 1px solid rgba(0, 232, 255, 0.2);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    color: #C0C0D0;
    font-family: 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.95em;
    resize: none;
    margin-bottom: 20px;
}

#codeEditorTextarea:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: var(--shadow-neon), inset 0 0 10px rgba(0, 0, 0, 0.2);
}

.model-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
    flex-grow: 1;
}

.model-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-sm);
    padding: 25px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: var(--shadow-light);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.model-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(0, 232, 255, 0.4);
}

.model-card.selected {
    border-color: var(--neon-cyan);
    box-shadow: var(--shadow-neon), inset 0 0 15px rgba(0, 232, 255, 0.3);
    background: rgba(0, 232, 255, 0.1);
    transform: translateY(-2px);
}

.model-card.model-card-highlight {
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    border-color: var(--neon-pink);
    color: white;
    box-shadow: 0 0 25px rgba(255, 64, 129, 0.6), inset 0 0 15px rgba(255, 64, 129, 0.3);
}

.model-card-highlight h4,
.model-card-highlight p {
    color: white;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.model-card h4 {
    font-family: 'Orbitron', monospace;
    font-size: 1.4rem;
    color: var(--neon-cyan);
    margin-bottom: 10px;
    text-shadow: 0 0 8px rgba(0, 232, 255, 0.2);
}

.model-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.model-card.disabled-model-card {
    opacity: 0.5;
    cursor: not-allowed !important;
    border-color: rgba(255, 255, 255, 0.05) !important;
    background: rgba(255, 255, 255, 0.02) !important;
    box-shadow: none !important;
    transform: none !important;
}

.model-card.disabled-model-card:hover {
    background: rgba(255, 255, 255, 0.02) !important;
    border-color: rgba(255, 255, 255, 0.05) !important;
    box-shadow: none !important;
    transform: none !important;
}

.model-card.disabled-model-card h4,
.model-card.disabled-model-card p {
    color: var(--text-secondary) !important;
    text-shadow: none !important;
}

.modal-confirm-btn {
    align-self: stretch;
    display: block;
    margin: 15px 0 25px 0;
    padding: 18px 25px;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: var(--bg-primary);
    border: none;
    box-shadow: 0 10px 30px rgba(0,232,255,0.25);
    cursor: pointer;
    position: sticky;
    top: 20px;
    z-index: 10;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
}
.modal-confirm-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,232,255,0.4);
}

/* Image Viewer Modal */
.image-viewer-modal .modal-content {
    background: transparent;
    border: none;
    box-shadow: none;
    width: 95vw;
    height: 95vh;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-viewer-modal .close-modal-btn {
    top: 15px;
    right: 15px;
    color: white;
    text-shadow: 0 0 10px black;
    z-index: 10;
}

#imageViewerImg {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Animations for elements appearing on scroll */
.animate-in-init {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-in-active {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-tertiary);
    border: 1px solid var(--neon-cyan);
    color: var(--neon-cyan);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    box-shadow: var(--shadow-neon);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--neon-cyan);
    color: var(--bg-primary);
    transform: translateY(-5px);
}

.animate-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInSlideUp 0.8s ease-out forwards;
}

@keyframes fadeInSlideUp {
    to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.main-footer {
    text-align: center;
    padding: 35px 25px;
    border-top: 1px solid var(--glass-border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 50px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--neon-cyan);
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .main-header {
        padding: 15px 25px;
    }
    .logo {
        font-size: 1.6rem;
    }
    .main-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px; /* Adjusted to new header height */
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        padding: 20px;
        border-bottom: 1px solid var(--glass-border);
        box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        z-index: 90;
    }
    .main-nav.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: block;
        background: none;
        border: none;
        z-index: 101;
        width: 30px; /* Larger tap target */
        height: 24px; /* Larger tap target */
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        padding: 0;
    }
    .mobile-menu-btn span {
        display: block;
        width: 100%;
        height: 3px;
        background: var(--neon-cyan);
        border-radius: 1.5px;
        transition: all 0.3s ease;
    }
    /* Mobile menu animation */
    .mobile-menu-btn.active span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
    .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
    .mobile-menu-btn.active span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }
    
    .main-title {
        font-size: 3.5rem;
    }
    .tool-wrapper {
        padding: 35px 25px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .chat-container {
        height: 75vh;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 30px 15px;
    }
    .main-title {
        font-size: 2.8rem;
        letter-spacing: 2px;
    }
    .subtitle {
        font-size: 1.1rem;
    }
    .hero-cta {
        padding: 16px 35px;
        font-size: 1rem;
    }
    .section-header h2 {
        font-size: 2.2rem;
    }
    .section-header p {
        font-size: 1rem;
    }
    .advanced-options {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .preview-wrapper {
        height: 500px;
    }
    .chat-container {
        height: 70vh;
    }
    .chat-messages {
        padding: 18px;
        gap: 15px;
    }
    .chat-input-container {
        padding: 15px;
        gap: 10px;
    }
    .chat-image-preview-wrapper {
        height: 80px;
        flex-basis: auto;
        margin-right: 10px;
        margin-bottom: 0;
    }
    .message {
        max-width: 90%;
    }
    .api-content {
        padding: 35px;
    }
    .api-content h3 {
        font-size: 1.8rem;
    }
    .api-content p {
        font-size: 1rem;
    }
    .api-content pre {
        padding: 20px;
        font-size: 0.85em;
    }
    .copy-code-btn {
        top: 12px;
        right: 12px;
        font-size: 0.8em;
        padding: 8px 12px;
    }
    .modal-content {
        padding: 25px;
    }
    .modal-title {
        font-size: 1.8rem;
    }
    .modal-subtitle {
        font-size: 1rem;
    }
    .model-cards-container {
        grid-template-columns: 1fr;
    }
    .model-card h4 {
        font-size: 1.2rem;
    }
    .model-card p {
        font-size: 0.9rem;
    }
    .modal-confirm-btn {
        padding: 16px 20px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2.2rem;
        line-height: 1.2;
        letter-spacing: 1.5px;
    }
    .intro-paragraph {
        font-size: 0.95rem;
    }
    .section-header h2 {
        font-size: 1.8rem;
    }
    .section-header p {
        font-size: 0.95rem;
    }
    textarea, input, select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    .action-btn {
        font-size: 1rem;
        padding: 14px 30px;
    }
    .clear-btn {
        font-size: 0.95rem;
        padding: 14px 22px;
    }
    .download-btn {
        font-size: 0.95rem;
        padding: 14px 25px;
    }
    .edit-generated-btn {
        font-size: 0.95rem;
        padding: 12px 25px;
    }
    .preview-btn {
        font-size: 0.85rem;
        padding: 8px 14px;
    }
    .modal-title {
        font-size: 1.6rem;
    }
    .close-modal-btn {
        font-size: 1.8rem;
    }
    .chat-upload-btn, .chat-send-btn {
        padding: 10px 18px;
        height: 40px;
        width: auto;
    }
    .chat-input {
        min-height: 40px;
        padding: 10px 15px;
    }
    .preset-filters {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    .preset-filters button {
        font-size: 0.85rem;
        padding: 10px;
    }
    .preset-filters {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); /* Adjusted for better fit */
        gap: 15px;
        margin-bottom: 25px;
    }
    .preset-filters button {
        font-size: 0.95rem;
        padding: 14px 18px;
    }
    .upload-zone.dragover {
        background: rgba(0, 232, 255, 0.1);
        border-color: var(--neon-cyan);
        transform: scale(1.03);
    }

    .upload-zone {
        transition: all 0.3s ease;
    }

    .upload-zone:hover {
        background: rgba(255, 255, 255, 0.05); /* Lighter hover background */
        border-color: rgba(255, 255, 255, 0.2); /* Lighter border */
    }
}

/* Ensure inputs are touch-friendly */
@media (max-width: 768px) {
    textarea, .neon-select, .neon-input, .chat-input {
        font-size: 16px;
    }
    button, .action-btn, .clear-btn, .download-btn, .edit-generated-btn, .preview-btn, .chat-upload-btn, .chat-send-btn, .history-btn, .copy-code-btn, .modal-confirm-btn, .close-modal-btn {
        min-height: 44px; /* Ensure all buttons are comfortably tappable */
    }
}