/* --- Google Fonts & Global Reset --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --primary: #00D4FF;         /* Cyan AI Color */
    --secondary: #3B82F6;       /* Blue Gradient */
    --bg: #0B0F19;              /* Deep Dark Background */
    --card: #141A2E;            /* Lighter Card Background */
    --text: #F3F4F6;
    --real: #22C55E;            /* Success Green */
    --fake: #EF4444;            /* Danger Red */
    --transition: 0.3s ease;
}

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

body {
    background-color: var(--bg);
    background-image: radial-gradient(circle at 50% 50%, #1e293b 0%, #0b0f19 100%);
    color: var(--text);
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Navigation --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(20, 26, 46, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.nav-links span {
    margin: 0 12px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0.8;
}

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

/* --- Hero Section --- */
.hero {
    text-align: center;
    padding: 100px 20px 60px;
}

.hero h1 {
    font-size: 3.5rem;
    background: linear-gradient(to right, #fff, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.1rem;
    color: #94A3B8;
    max-width: 700px;
    margin: 0 auto;
}

/* --- Main Input Card --- */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.main-card {
    background: var(--card);
    border: 1,px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
}

.main-card:hover {
    border-color: var(--primary);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

textarea {
    width: 100%;
    height: 180px;
    background: #0D1117;
    border: 1px solid #334155;
    color: #fff;
    padding: 20px;
    border-radius: 15px;
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
    resize: none;
}

textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

/* --- Custom Scan Button & OCR --- */
.scan-container {
    margin: 20px 0;
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 1px dashed var(--primary);
    text-align: center;
}

.analyze-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.analyze-btn:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

/* --- Loading Spinner --- */
#loader {
    display: none;
    text-align: center;
    margin-top: 25px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #1e293b;
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 10px auto;
}

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

/* --- Dual Progress Bar & Results --- */
.result-display {
    text-align: center;
    margin-top: 40px;
    animation: fadeIn 0.8s ease;
}

.bar-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.9rem;
    font-weight: 600;
}

.bar-wrapper {
    height: 25px;
    background: #1e293b;
    border-radius: 50px;
    overflow: hidden;
    display: flex;
}

.bar-real { background: var(--real); transition: width 1.5s ease; }
.bar-fake { background: var(--fake); transition: width 1.5s ease; }

/* --- Info Sections & Grids --- */
.section-container {
    padding: 80px 10%;
    text-align: center;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 40px;
    color: var(--primary);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: var(--card);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    background: #1e293b;
}

.step-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 20px;
    display: block;
}

/* --- Analysis Feed --- */
.analysis-list {
    max-width: 800px;
    margin: 0 auto;
}

.analysis-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 18px 25px;
    border-radius: 12px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 5px solid var(--primary);
}

/* --- Model Stats --- */
.stat-number {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: 5px;
}

/* --- Footer --- */
footer {
    background: #05070A;
    padding: 60px 8%;
    border-top: 2px solid var(--primary);
    text-align: center;
}

footer h2 { margin-bottom: 10px; letter-spacing: 2px; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .navbar { padding: 15px 5%; }
    .nav-links { display: none; }
}