:root {
    --bg-color: #0b0f19;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover-border: rgba(99, 102, 241, 0.5);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-1: #6366f1;
    --accent-2: #a855f7;
    --active-color: #10b981;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    padding: 0 0 2rem 0;
}

.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    animation: float 20s infinite alternate;
}

.glow-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-1);
    top: -100px;
    left: -100px;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-2);
    bottom: -100px;
    right: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 100px) scale(1.2); }
}

.app-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    padding: 0 1rem;
}

header {
    text-align: center;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

header h1 span {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 300;
}

.filters-section {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 16px;
}

.dropdown-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
    min-width: 150px;
}

.dropdown-group label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.premium-select {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-main);
    padding: 0.8rem 1rem;
    border-radius: 10px;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7rem top 50%;
    background-size: 1.2rem auto;
    transition: all 0.2s;
}

.premium-select:focus, .premium-select:hover {
    border-color: rgba(99, 102, 241, 0.6);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
}

.premium-select option {
    background-color: var(--bg-color);
    color: var(--text-main);
}

.result-section {
    width: 100%;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.card:hover {
    border-color: var(--card-hover-border);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.15);
}

.card-header {
    display: flex;
    justify-content: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 1rem;
}

.card-header h2 {
    font-size: 1.2rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.card-body {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 150px;
}

.value-text {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.4;
}

.value-text.animate {
    animation: bounceIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes bounceIn {
    0% { opacity: 0; transform: scale(0.9) translateY(10px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

.action-section {
    display: flex;
    justify-content: center;
}

.generate-btn {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: white;
    border: none;
    padding: 1.2rem 3.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    border-radius: 40px;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.generate-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: all 0.6s;
}

.generate-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.6);
}

.generate-btn:hover::before {
    left: 100%;
}

.generate-btn:active {
    transform: translateY(1px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
    transition: all 0.1s;
}