body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px;
    margin: 0;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    margin-top: 20px;
    box-sizing: border-box;
}

.title {
    margin-top: 0;
    color: #1a202c;
    border-bottom: 2px solid #f0f2f5;
    padding-bottom: 10px;
}

.user {
    padding: 12px;
    border-bottom: 1px solid #f0f4f8;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user:last-child {
    border-bottom: none;
}

.user strong {
    color: #2d3748;
}

#notif {
    display: none;
    border: 2px solid #48bb78;
    background: #f0fff4;
    animation: slideDown 0.3s ease-out;
}

.notif-buttons {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

button {
    cursor: pointer;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    background: #4a90e2;
    color: white;
    font-weight: 600;
    transition: transform 0.1s, background 0.2s;
}

button:hover {
    background: #357abd;
    transform: translateY(-1px);
}

.btn-ok { background: #48bb78; }
.btn-ok:hover { background: #38a169; }

.btn-no { background: #f56565; }
.btn-no:hover { background: #e53e3e; }

#status {
    font-size: 14px;
    color: #718096;
    margin-top: 20px;
    text-align: center;
    min-height: 1.2em;
}

.progress-container {
    width: 100%;
    background: #edf2f7;
    border-radius: 20px;
    height: 12px;
    margin-top: 15px;
    display: none;
    overflow: hidden;
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: #48bb78;
    transition: width 0.1s linear;
}

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