:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --blob-1: #8b5cf6;
    --blob-2: #ec4899;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.background-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.blob {
    position: absolute;
    filter: blur(80px);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 10s infinite ease-in-out alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background-color: var(--blob-1);
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 350px;
    height: 350px;
    background-color: var(--blob-2);
    bottom: -100px;
    right: -100px;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.1); }
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 48px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    z-index: 10;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: #94a3b8;
    font-size: 14px;
    margin-bottom: 32px;
}

.result-box {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.result-box:hover {
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
}

.result-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: all 0.5s ease;
}

.result-box:hover::before {
    left: 100%;
}

#order-number {
    font-family: 'Roboto Mono', monospace;
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 1px;
    display: inline-block;
}

.copy-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    transition: color 0.2s, background-color 0.2s;
    padding: 8px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.generate-btn {
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.generate-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.generate-btn:active {
    transform: translateY(1px);
}

.toaster {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    background: #10b981;
    color: white;
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    transition: bottom 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.toaster.show {
    bottom: 20px;
    opacity: 1;
}

@keyframes pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pop-animation {
    animation: pop 0.3s ease-out;
}