/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #ffffff;
    min-height: 100vh;
    line-height: 1.6;
}

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

/* Header */
header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 0;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.logo svg {
    filter: drop-shadow(0 0 10px rgba(74, 144, 226, 0.3));
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.1rem;
    color: #b8c5d6;
    font-weight: 300;
}

/* Main content */
main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Tabs */
.tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-button {
    background: rgba(255, 255, 255, 0.05);
    color: #b8c5d6;
    border: 1px solid rgba(74, 144, 226, 0.3);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
}

.tab-button:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: #5ba3f5;
}

.tab-button.active {
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    color: white;
    border-color: #4A90E2;
}

.tab-content {
    width: 100%;
}

/* Upload section */
.upload-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
}

.upload-box {
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed #4A90E2;
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    width: 100%;
    max-width: 600px;
}

.upload-box:hover {
    border-color: #5ba3f5;
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.2);
}

.upload-box.dragover {
    border-color: #5ba3f5;
    background: rgba(74, 144, 226, 0.1);
}

.upload-icon {
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

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

.upload-box h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.upload-box p {
    color: #b8c5d6;
    margin-bottom: 20px;
}

.btn-primary {
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5ba3f5, #4A90E2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4);
}

/* Preview section */
.preview-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
    width: 100%;
    max-width: 600px;
}

.image-preview {
    margin-bottom: 20px;
    text-align: center;
}

.image-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.audio-preview {
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.1rem;
    color: #b8c5d6;
}

/* Results section */
.results-section {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.results-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(74, 144, 226, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-header h3 {
    font-size: 1.8rem;
    color: #ffffff;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(74, 144, 226, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #4A90E2;
}

.prediction-result {
    text-align: center;
    margin-bottom: 30px;
}

.result-text {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.result-real {
    color: #4CAF50;
    text-shadow: 0 0 20px rgba(76, 175, 80, 0.5);
}

.result-fake {
    color: #f44336;
    text-shadow: 0 0 20px rgba(244, 67, 54, 0.5);
}

.result-error {
    color: #ff9800;
    text-shadow: 0 0 20px rgba(255, 152, 0, 0.5);
}

.result-details {
    color: #b8c5d6;
    font-size: 1.1rem;
}

/* Confidence meter */
.confidence-meter {
    margin-top: 30px;
}

.confidence-label {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.confidence-bar {
    width: 100%;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #FFC107, #f44336);
    border-radius: 10px;
    transition: width 0.5s ease;
    width: 0%;
}

.confidence-value {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: #4A90E2;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #b8c5d6;
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(74, 144, 226, 0.3);
    border-radius: 50%;
    border-top-color: #4A90E2;
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .logo h1 {
        font-size: 2rem;
    }

    .upload-box {
        padding: 40px 20px;
    }

    .result-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .result-text {
        font-size: 2rem;
    }
}

/* Security pattern background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(74, 144, 226, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(74, 144, 226, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(74, 144, 226, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: patternShift 20s ease-in-out infinite;
}

@keyframes patternShift {
    0%, 100% {
        background-position: 0% 0%, 100% 0%, 50% 50%;
    }
    50% {
        background-position: 100% 100%, 0% 100%, 50% 50%;
    }
}

/* Security particles */
.security-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(74, 144, 226, 0.4);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    animation: securityFloat 10s linear infinite;
}

@keyframes securityFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
        transform: scale(1);
    }
    90% {
        opacity: 0.6;
        transform: scale(1);
    }
    100% {
        transform: translateY(-10vh) scale(0);
        opacity: 0;
    }
}

/* Hover effects for text elements */
.logo h1:hover {
    color: #5ba3f5;
    text-shadow: 0 0 20px rgba(74, 144, 226, 0.8);
    transition: all 0.3s ease;
}

.subtitle:hover {
    color: #b8c5d6;
    text-shadow: 0 0 10px rgba(74, 144, 226, 0.5);
    transition: all 0.3s ease;
}

.upload-box h3:hover {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(74, 144, 226, 0.6);
    transition: all 0.3s ease;
}

.upload-box p:hover {
    color: #b8c5d6;
    text-shadow: 0 0 10px rgba(74, 144, 226, 0.4);
    transition: all 0.3s ease;
}

.result-header h3:hover {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(74, 144, 226, 0.7);
    transition: all 0.3s ease;
}

.result-details:hover {
    color: #b8c5d6;
    text-shadow: 0 0 10px rgba(74, 144, 226, 0.5);
    transition: all 0.3s ease;
}

footer p:hover {
    color: #b8c5d6;
    text-shadow: 0 0 10px rgba(74, 144, 226, 0.4);
    transition: all 0.3s ease;
}