@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

body {
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

/* Gradient Background */
.gradient-bg {
    background: linear-gradient(135deg, #1a1a2e 0%, #000000 100%);
}

/* Hidden Utility Class */
.hidden {
    display: none !important;
}

/* Navigation Shadow */
.nav-shadow {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Card Hover Effect */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Input Highlight */
.input-highlight {
    transition: all 0.3s ease;
    border: 1px solid #d1d5db;
}

.input-highlight:focus {
    outline: none;
    border-color: #00aaff;
    box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.2);
}

/* Pulse Animation */
.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 170, 255, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 170, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 170, 255, 0);
    }
}

/* Fade In Animation */
.fade-in {
    animation: fadeIn 0.8s ease-in forwards;
}

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

/* Glow Effect */
.glow {
    box-shadow: 0 0 15px rgba(0, 170, 255, 0.5);
}

/* Tooltip Styles */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.875rem;
}

.tooltip .tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

.parameter-help {
    cursor: help;
    color: #00aaff;
    margin-left: 5px;
}

/* Wave Animation */
.wave-animation {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" fill="%2300aaff" opacity=".25"/><path d="M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z" fill="%2300aaff" opacity=".5"/><path d="M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z" fill="%2300aaff"/></svg>');
    background-size: cover;
    background-repeat: no-repeat;
    animation: waveMove 15s linear infinite;
}

@keyframes waveMove {
    0% {
        background-position-x: 0;
    }
    100% {
        background-position-x: 1200px;
    }
}

/* Result Box */
.result-box {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-left: 4px solid #00aaff;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
}

.result-section {
    margin-bottom: 1.5rem;
}

.result-section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid #00aaff;
    padding-bottom: 0.5rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-weight: 500;
    color: #4b5563;
}

.result-value {
    font-weight: 600;
    color: #1f2937;
}

/* Progress Bar */
.progress-bar {
    height: 0.5rem;
    background-color: #e2e8f0;
    border-radius: 0.25rem;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #00aaff 0%, #0066cc 100%);
    border-radius: 0.25rem;
    transition: width 0.5s ease;
}