@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --accent-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --glass-blur: 15px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 60px 20px;
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
}

body::-webkit-scrollbar {
    width: 8px;
}

/* Background Animations */
.bg-blobs {

    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--primary-gradient);
    filter: blur(80px);
    /* Reduced blur */
    border-radius: 50%;
    opacity: 0.15;
    will-change: transform;
}

.blob-2 {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    bottom: -5%;
    right: -5%;
}

/* Calculator Card */
.calculator-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 40px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 1s ease-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.header p {
    opacity: 0.7;
    font-size: 1rem;
}

/* Inputs */
.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #94a3b8;
}

input[type="date"] {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

input[type="date"]:focus {
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.08);
}

.calculate-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 10px 15px -3px rgba(102, 126, 234, 0.4);
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(102, 126, 234, 0.5);
}

.calculate-btn:active {
    transform: translateY(0);
}

/* Results Section */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 30px;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.results-grid.visible {
    opacity: 1;
}

.result-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 20px 10px;
    text-align: center;
    transition: transform 0.3s;
}

.result-box:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.06);
}

.result-val {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #f5576c;
}

.result-label {
    font-size: 0.8rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

.extra-info {
    margin-top: 25px;
    text-align: center;
    font-size: 0.9rem;
    color: #94a3b8;
    background: rgba(255, 255, 255, 0.02);
    padding: 15px;
    border-radius: 12px;
    display: none;
}

.extra-info.visible {
    display: block;
}

.extra-info span {
    color: #667eea;
    font-weight: 600;
}

@media (max-width: 450px) {
    .calculator-card {
        padding: 25px;
    }

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

    .result-val {
        font-size: 1.5rem;
    }
}