:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-border: rgba(148, 163, 184, 0.2);
    --input-focus: #3b82f6;
    --orb-1: #3b82f6;
    --orb-2: #8b5cf6;
    --orb-3: #ec4899;
    --radius-lg: 16px;
    --radius-md: 8px;
    --transition: 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Background Animations */
.background-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite alternate ease-in-out;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--orb-1);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--orb-2);
    bottom: -20%;
    right: -10%;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--orb-3);
    top: 40%;
    left: 40%;
    opacity: 0.3;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, 50px) scale(1.1); }
    100% { transform: translate(-50px, 100px) scale(0.9); }
}

/* Layout */
.container {
    width: 100%;
    max-width: 900px;
    padding: 2rem;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease backwards;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

header h1 span {
    background: linear-gradient(to right, var(--orb-1), var(--orb-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* Glassmorphism Panels */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.8s ease backwards 0.2s;
}

.hidden {
    display: none !important;
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group small {
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.8;
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

/* Custom Checkbox */
.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
}

input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    display: grid;
    place-content: center;
    cursor: pointer;
    transition: var(--transition);
}

input[type="checkbox"]::before {
    content: "";
    width: 12px;
    height: 12px;
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    box-shadow: inset 1em 1em var(--primary-color);
    background-color: CanvasText;
    transform-origin: bottom left;
    clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

input[type="checkbox"]:checked::before {
    transform: scale(1);
}

input[type="checkbox"]:checked {
    border-color: var(--primary-color);
}

/* Buttons */
.action-btn-container {
    margin-top: 2.5rem;
    text-align: center;
}

button {
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.btn-primary {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--orb-2));
    color: #fff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

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

.btn-secondary {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Results Panel */
#results-panel {
    margin-top: 2rem;
    animation: fadeInUp 0.5s ease forwards;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-header h2 {
    font-size: 1.25rem;
    color: var(--orb-1);
}

.results-actions {
    display: flex;
    gap: 1rem;
}

pre {
    background: rgba(0, 0, 0, 0.4);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    overflow-x: auto;
}

code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    color: #a5b4fc;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Notifications */
.notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #10b981;
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1000;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .glass-panel {
        padding: 1.5rem;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }
}