:root {
    --primary: #8D41EE;
    --primary-dark: #7013d4;
    --primary-light: #a97af3;
    --secondary: #00D1B2;
    --dark: #f8f8f8;
    --darker: #ffffff;
    --dark-light: #f0f0f0;
    --light: #333333;
    --lighter: #555555;
    --danger: #FF3860;
    --success: #23D160;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--dark);
    color: var(--light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Gradient Background - Lighter version */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f5f5f5, #ffffff);
    z-index: -2;
}

.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%' height='100%' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
    z-index: -1;
}

/* Navigation */
nav {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(141, 65, 238, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--primary);
}

.logo-icon {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--light);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    opacity: 0.9;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.cta-button {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(141, 65, 238, 0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(141, 65, 238, 0.3);
}

/* Main Container */
.main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6rem 5% 3rem;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

/* Tool Container */
.tool-container {
    width: 100%;
    max-width: 1000px;
    background-color: var(--darker);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.tool-header {
    padding: 1.5rem 2rem;
    background: linear-gradient(90deg, rgba(141, 65, 238, 0.05), rgba(141, 65, 238, 0.02));
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.tool-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--light);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.tool-header p {
    color: var(--lighter);
    opacity: 0.9;
}

.tool-content {
    padding: 2rem;
}

/* Text Areas */
.text-section {
    margin-bottom: 1.5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

.section-header h3 {
    font-size: 1.1rem;
    color: var(--light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.word-count {
    font-size: 0.9rem;
    color: var(--lighter);
    opacity: 0.7;
}

textarea {
    width: 100%;
    min-height: 200px;
    padding: 1rem;
    background-color: var(--dark-light);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--light);
    border-radius: 8px;
    font-size: 1rem;
    line-height: 1.6;
    transition: all 0.3s ease;
    resize: vertical;
}

textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(141, 65, 238, 0.1);
}

#outputText {
    min-height: 200px;
    background-color: var(--dark-light);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 1rem;
    color: var(--light);
    line-height: 1.6;
}

/* Buttons */
.tool-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.action-button {
    flex: 1;
    padding: 0.8rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.primary-btn {
    background-color: var(--primary);
    color: white;
    border: none;
}

.primary-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.secondary-btn {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.secondary-btn:hover {
    background-color: rgba(141, 65, 238, 0.05);
}

/* Detection Results */
.detection-results {
    margin-top: 2rem;
    display: none;
}

.results-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.detector-card {
    background-color: var(--dark-light);
    border-radius: 8px;
    padding: 1.2rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.detector-name {
    font-size: 0.9rem;
    color: var(--light);
    opacity: 0.8;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detector-score {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.score-human {
    color: var(--success);
}

.score-ai {
    color: var(--danger);
}

.detector-verdict {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Features Section */
.features-section {
    width: 100%;
    max-width: 1000px;
    margin-top: 3rem;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--light);
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--lighter);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background-color: var(--darker);
    border-radius: 10px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    border-color: rgba(141, 65, 238, 0.2);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: white;
    font-size: 1.2rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--light);
}

.feature-card p {
    color: var(--lighter);
    opacity: 0.8;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Footer */
footer {
    background-color: var(--darker);
    color: var(--light);
    padding: 3rem 5% 2rem;
    margin-top: 3rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light);
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-logo span {
    color: var(--primary);
}

.footer-about p {
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
    color: white;
}

.footer-links h3 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-links h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--light);
    opacity: 0.8;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 3rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .main-container {
        padding-top: 8rem;
    }
}

@media (max-width: 768px) {
    .tool-header h1 {
        font-size: 1.8rem;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .tool-actions {
        flex-direction: column;
    }
    
    .action-button {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .tool-header {
        padding: 1.5rem 1rem;
    }
    
    .tool-content {
        padding: 1.5rem 1rem;
    }
    
    .tool-header h1 {
        font-size: 1.5rem;
    }
    
    .detectors-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.float {
    animation: float 6s ease-in-out infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}