.six-digit-keypad-overlay {
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: rgba(15, 23, 42, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.six-digit-keypad-card {
    width: 100%;
    max-width: 340px;
    background: #fff;
    border-radius: 16px;
    padding: 20px 16px 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}
.six-digit-keypad-title {
    margin: 0 0 12px;
    font-size: 17px;
    font-weight: 700;
    text-align: center;
    color: #0f172a;
}
.six-digit-keypad-dots {
    text-align: center;
    font-size: 28px;
    letter-spacing: 10px;
    color: #334155;
    margin-bottom: 16px;
    user-select: none;
}
.six-digit-keypad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}
.six-digit-key {
    padding: 14px 0;
    font-size: 20px;
    font-weight: 600;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #f8fafc;
    cursor: pointer;
}
.six-digit-key:active {
    background: #e2e8f0;
}
.six-digit-keypad-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}
.six-digit-btn {
    flex: 1;
    min-width: 88px;
    padding: 12px;
    border-radius: 10px;
    border: none;
    font-weight: 600;
    cursor: pointer;
}
.six-digit-btn.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}
.six-digit-btn.primary:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}
.six-digit-btn.secondary {
    background: #f1f5f9;
    color: #334155;
}