:root {
    --bg-dark: #0f172a;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #8b5cf6;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --error: #ef4444;
    --success: #10b981;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    position: relative;
    padding: 2rem;
}

.background-animation {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, rgba(139,92,246,0.15) 50%, rgba(15,23,42,1) 100%);
    animation: rotate 20s linear infinite;
    z-index: -1;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 2rem;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-muted);
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

.glass-panel:hover {
    transform: translateY(-5px);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

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

.input-wrapper {
    display: flex;
    gap: 1rem;
}

input[type="text"] {
    flex: 1;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

input[type="text"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.primary-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.secondary-btn {
    display: inline-block;
    background: var(--accent);
    color: white;
    text-decoration: none;
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.secondary-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.status-box {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    text-align: center;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.status-box.hidden {
    display: none;
}

.status-box.loading {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.status-box.success {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.status-box.error {
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.loader {
    border: 3px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    border-top: 3px solid var(--primary);
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    margin: 0 auto 0.5rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }
    .container {
        padding: 1rem;
    }
    .glass-panel {
        padding: 1.5rem 1rem;
    }
    header h1 {
        font-size: 2rem;
    }
    .input-wrapper {
        flex-direction: column;
        gap: 0.5rem;
    }
}