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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #020617, #0f172a);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 25px 40px rgba(0,0,0,0.4);
    width: 450px;
    max-width: 90%;
    text-align: center;
    border: 1px solid rgba(56, 189, 248, 0.3);
}

h1 {
    font-size: 1.6rem;
    margin-bottom: 25px;
    color: #38bdf8;
}

.card {
    background: #0f172a;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    text-align: left;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.info-row:last-child {
    border-bottom: none;
}

.label {
    font-weight: 600;
    color: #94a3b8;
}

.value {
    font-weight: bold;
    color: #38bdf8;
    font-family: monospace;
}

button {
    background: #38bdf8;
    color: #0f172a;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 15px;
}

button:hover {
    background: #0ea5e9;
    transform: scale(1.02);
}

.note {
    font-size: 0.7rem;
    color: #64748b;
}