:root {
    --primary-turquoise: #40E0D0;
    --accent-turquoise: #48D1CC;
    --dark-turquoise: #00CED1;
    --light-turquoise: #AFEEEE;
    --black: #0A0A0A;
    --dark-gray: #1A1A1A;
    --medium-gray: #2A2A2A;
    --white: #FFFFFF;
}

html, body {
    background: linear-gradient(to top, #40e0d0, #000000) !important;
    color: var(--light-turquoise);
    margin: 0;
    padding: 0;
}

/* Enhanced PDF viewer styles */
.pdf-container {
    background: linear-gradient(to top, #40e0d0, #000000) !important;
    min-height: calc(100vh - 160px);
    padding: 2rem;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.pdf-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(64, 224, 208, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(64, 224, 208, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.pdf-viewer {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--dark-gray);
    border-radius: 25px;
    padding: 0;
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.pdf-viewer::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-turquoise), var(--accent-turquoise), var(--dark-turquoise), var(--primary-turquoise));
    border-radius: 27px;
    z-index: -1;
    animation: borderGlow 3s ease-in-out infinite alternate;
}

@keyframes borderGlow {
    0% { opacity: 0.6; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.002); }
}

.pdf-header {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--medium-gray) 100%);
    padding: 2.5rem 2rem;
    border-radius: 23px 23px 0 0;
    position: relative;
    overflow: hidden;
}

.pdf-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-turquoise), var(--accent-turquoise), var(--primary-turquoise), transparent);
}

.pdf-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(64, 224, 208, 0.5), transparent);
}

.pdf-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.2rem;
    color: var(--primary-turquoise);
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 15px rgba(64, 224, 208, 0.4);
    text-align: center;
}

.pdf-subtitle {
    font-family: 'Rajdhani', sans-serif;
    color: var(--light-turquoise);
    font-size: 1.2rem;
    text-align: center;
    font-weight: 500;
    letter-spacing: 1px;
}

.pdf-content {
    padding: 2rem;
    background: var(--dark-gray);
    border-radius: 0 0 23px 23px;
}

/* Simple PDF iframe with custom styling */
.pdf-wrapper {
    position: relative;
    width: 100%;
    height: 800px;
    border-radius: 15px;
    overflow: hidden;
    background: #f5f5f5;
    border: 3px solid var(--primary-turquoise);
    box-shadow: inset 0 0 20px rgba(64, 224, 208, 0.1);
}

.pdf-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
}

.pdf-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
        rgba(64, 224, 208, 0.02) 0%,
        transparent 25%,
        transparent 75%,
        rgba(64, 224, 208, 0.02) 100%);
    pointer-events: none;
    border-radius: 12px;
}

.pdf-controls {
    background: linear-gradient(135deg, #2a2a2a, #1a1a1a);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 2px solid var(--primary-turquoise);
    border-radius: 15px 15px 0 0;
    gap: 1rem;
}

.pdf-btn {
    background: rgba(64, 224, 208, 0.1);
    border: 1px solid var(--primary-turquoise);
    color: var(--primary-turquoise);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.pdf-btn:hover {
    background: rgba(64, 224, 208, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(64, 224, 208, 0.3);
}

.pdf-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: #f5f5f5;
    color: #333;
    text-align: center;
    padding: 2rem;
}

.pdf-fallback-icon {
    font-size: 4rem;
    color: var(--primary-turquoise);
    margin-bottom: 1rem;
}

.pdf-fallback-title {
    color: var(--primary-turquoise);
    margin-bottom: 1rem;
}

.pdf-fallback-text {
    margin-bottom: 2rem;
}

.pdf-fallback-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.back-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: rgba(64, 224, 208, 0.9) !important;
    color: #000000 !important;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    margin: 120px 0 2rem 0;
    font-weight: bold;
    border: 2px solid #40e0d0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 100;
}

@media (max-width: 768px) {
    .pdf-container {
        padding: 1rem;
        margin-top: 80px;
    }

    .pdf-header {
        padding: 2rem 1.5rem;
    }

    .pdf-content {
        padding: 1.5rem;
    }

    .pdf-title {
        font-size: 1.8rem;
        letter-spacing: 1px;
    }

    .pdf-subtitle {
        font-size: 1.1rem;
    }

    .pdf-wrapper {
        height: 600px;
    }

    .pdf-controls {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .pdf-title {
        font-size: 1.5rem;
    }

    .pdf-wrapper {
        height: 500px;
    }
}