/* ===== CSS Variables ===== */
:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-tertiary: #2d2d2d;
    --bg-card: #2a2a2a;
    
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #7a7a7a;
    
    --accent-green: #2ecc71;
    --accent-green-hover: #27ae60;
    --accent-green-glow: rgba(46, 204, 113, 0.3);
    
    --accent-red: #e74c3c;
    --accent-red-hover: #c0392b;
    --accent-red-glow: rgba(231, 76, 60, 0.3);
    
    --border-color: #3a3a3a;
    --border-light: #444444;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-green), var(--accent-green-hover));
    border-radius: 5px;
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--accent-green-hover), #1e8449);
}

::-webkit-scrollbar-corner {
    background: var(--bg-secondary);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--accent-green) var(--bg-secondary);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

input, textarea {
    font-family: inherit;
    border: none;
    outline: none;
    background: none;
}

/* ===== Header ===== */
.header {
    background: var(--bg-primary);
    padding: 2rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.brand-logo {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--accent-green-glow);
}

.brand-name {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-green);
    letter-spacing: 2px;
}

.brand-tagline {
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 0.25rem;
}

/* ===== Main Content ===== */
.main-content {
    min-height: calc(100vh - 200px);
}

/* ===== Navigation (kept for reference) ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-green);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-green);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    color: var(--text-primary);
    background: var(--border-color);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 2rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--accent-green);
    position: relative;
}

.highlight-green {
    color: var(--accent-green);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--accent-green);
    color: #000;
    box-shadow: 0 4px 20px var(--accent-green-glow);
}

.btn-primary:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--accent-green-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    border-color: var(--border-light);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-green);
}

.btn-detect {
    background: linear-gradient(135deg, var(--accent-green), #27ae60);
    color: #000;
    font-weight: 700;
    padding: 1rem 2rem;
    box-shadow: 0 4px 20px var(--accent-green-glow);
}

.btn-detect:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-green-glow);
}

/* ===== Hero Visual ===== */
.hero-visual {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-cards {
    position: relative;
    width: 100%;
    height: 100%;
}

.card-float {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
}

.card-float i {
    font-size: 1.5rem;
    color: var(--accent-green);
}

.card-float span {
    font-weight: 600;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    right: 10%;
    animation-delay: -2s;
}

.card-3 {
    bottom: 10%;
    left: 20%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.glow-effect {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-green-glow) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    z-index: -1;
}

/* ===== Trust Badge ===== */
.trust-badge {
    text-align: center;
    margin-top: 4rem;
}

.trust-badge p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.trust-logos {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.trust-logo {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1rem;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.trust-logo:hover {
    opacity: 1;
}

/* ===== Section Styles ===== */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* ===== Detection Section ===== */
.detection-section {
    padding: 3rem 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.detection-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.input-area {
    position: relative;
}

.input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.input-tabs {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    padding: 0.25rem;
    border-radius: var(--radius-md);
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tab-btn.active {
    background: var(--accent-green);
    color: #000;
}

.tab-btn:hover:not(.active) {
    color: var(--text-primary);
    background: var(--bg-primary);
}

.btn-clear {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.btn-clear:hover {
    color: var(--accent-red);
}

.tab-content {
    display: none;
}

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

#inputText {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    color: var(--text-primary);
    font-size: 1rem;
    resize: vertical;
    min-height: 200px;
    transition: border-color var(--transition-fast);
}

#inputText:focus {
    border-color: var(--accent-green);
}

#inputText::placeholder {
    color: var(--text-muted);
}

.url-input {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.url-input:focus {
    border-color: var(--accent-green);
}

.url-input::placeholder {
    color: var(--text-muted);
}

.input-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
}

.char-count {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Loading State ===== */
.loading-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.loading-state.active {
    display: flex;
}

.loader {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
}

.loader-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--accent-green);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

.loader-ring:nth-child(2) {
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    border-top-color: transparent;
    border-right-color: var(--accent-green);
    animation-duration: 1.2s;
    animation-direction: reverse;
}

.loader-ring:nth-child(3) {
    width: 40%;
    height: 40%;
    top: 30%;
    left: 30%;
    border-top-color: var(--accent-green);
    border-right-color: transparent;
    animation-duration: 1s;
}

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

.loading-state p {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.loading-tip {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Result Section ===== */
.result-section {
    display: none;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.result-section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.result-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.btn-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.btn-close:hover {
    color: var(--text-primary);
    background: var(--border-color);
}

.verdict-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: center;
    margin-bottom: 2rem;
    border: 2px solid transparent;
    transition: border-color var(--transition-normal);
}

.verdict-card.fakta {
    border-color: var(--accent-green);
    box-shadow: 0 0 30px var(--accent-green-glow);
}

.verdict-card.hoax {
    border-color: var(--accent-red);
    box-shadow: 0 0 30px var(--accent-red-glow);
}

.verdict-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.verdict-card.fakta .verdict-icon {
    background: rgba(46, 204, 113, 0.2);
    color: var(--accent-green);
}

.verdict-card.hoax .verdict-icon {
    background: rgba(231, 76, 60, 0.2);
    color: var(--accent-red);
}

.verdict-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.verdict-title {
    font-size: 2rem;
    font-weight: 800;
    margin-top: 0.25rem;
}

.verdict-card.fakta .verdict-title {
    color: var(--accent-green);
}

.verdict-card.hoax .verdict-title {
    color: var(--accent-red);
}

.confidence-meter {
    grid-column: 1 / -1;
}

.confidence-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.confidence-label span:first-child {
    color: var(--text-muted);
}

.confidence-label span:last-child {
    font-weight: 700;
}

.confidence-bar {
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1s ease;
}

.verdict-card.fakta .confidence-fill {
    background: linear-gradient(90deg, var(--accent-green), #27ae60);
}

.verdict-card.hoax .confidence-fill {
    background: linear-gradient(90deg, var(--accent-red), #c0392b);
}

/* ===== Analysis Details ===== */
.analysis-details {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.analysis-details h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

.detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.detail-item i {
    color: var(--accent-green);
    font-size: 1.25rem;
}

.detail-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-bottom: 0.25rem;
}

.detail-value {
    font-weight: 600;
    font-size: 0.9rem;
}

/* ===== Result Actions ===== */
.result-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.result-actions .btn {
    flex: 1;
    justify-content: center;
    min-width: 120px;
}

/* ===== Features Section ===== */
.features-section {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-green);
    box-shadow: 0 10px 40px rgba(46, 204, 113, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(46, 204, 113, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-green);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem 1.5rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.footer-main {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
}

.footer-logo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.footer-main p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

.footer-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    background: var(--accent-green);
    color: #000;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .card-float {
        padding: 1rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .detection-card {
        padding: 1.5rem;
    }
    
    .input-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .input-footer {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-detect {
        width: 100%;
        justify-content: center;
    }
    
    .verdict-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .verdict-icon {
        margin: 0 auto;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .footer-logo {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--accent-green-glow);
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .hero {
        padding: 5rem 1rem 2rem;
    }
    
    .section-container {
        padding: 0 1rem;
    }
    
    .detection-card {
        padding: 1rem;
    }
    
    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
}

/* ===== Hide input area when loading/result shown ===== */
.input-area.hidden {
    display: none;
}