.pi2fa-pending-message {
    text-align: left;
    line-height: 1.6;
}

.pi2fa-error {
    background: #ffebee;
    color: #c62828;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
    border-left: 3px solid #c62828;
}

.pi2fa-code-input-wrapper {
    margin-top: 16px;
}

.pi2fa-separator {
    border-top: 1px solid #ddd;
    margin: 16px 0;
}

.pi2fa-code-input-container {
    text-align: center;
}

.pi2fa-code-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
}

.pi2fa-digit-inputs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
}

.pi2fa-digit-input {
    width: 40px !important;
    height: 48px !important;
    min-width: 40px !important;
    min-height: 48px !important;
    text-align: center !important;
    font-size: 22px !important;
    font-weight: 700 !important;
    font-family: 'Courier New', monospace !important;
    border: 2px solid #9fa8da !important;
    border-radius: 10px !important;
    background: #f5f6ff !important;
    color: #1a237e !important;
    outline: none !important;
    transition: all 0.2s ease !important;
    -moz-appearance: textfield !important;
    -webkit-appearance: none !important;
    padding: 0 !important;
    margin: 0 !important;
    box-shadow: 0 2px 4px rgba(26, 35, 126, 0.08) !important;
    display: inline-block !important;
}

.pi2fa-digit-input::-webkit-outer-spin-button,
.pi2fa-digit-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.pi2fa-digit-input:focus {
    border-color: #1a237e !important;
    box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.15) !important;
    background: #fff !important;
}

.pi2fa-digit-input.pi2fa-filled {
    border-color: #4caf50 !important;
    background: #e8f5e9 !important;
}

.pi2fa-digit-input.pi2fa-error-input {
    border-color: #c62828 !important;
    background: #ffebee !important;
    animation: pi2fa-shake 0.4s ease !important;
}

.pi2fa-digit-separator {
    font-size: 20px;
    color: #9fa8da;
    font-weight: 500;
    margin: 0 4px;
    user-select: none;
}

.pi2fa-verify-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #1a237e, #303f9f);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.pi2fa-verify-btn:hover:not(:disabled) {
    box-shadow: 0 4px 12px rgba(26, 35, 126, 0.3);
    transform: translateY(-1px);
}

.pi2fa-verify-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pi2fa-verify-btn.pi2fa-loading {
    position: relative;
    color: transparent;
}

.pi2fa-verify-btn.pi2fa-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: pi2fa-spin 0.6s linear infinite;
}

.pi2fa-ajax-message {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 14px;
    text-align: center;
}

.pi2fa-ajax-message.pi2fa-msg-error {
    background: #ffebee;
    color: #c62828;
    border-left: 3px solid #c62828;
}

.pi2fa-ajax-message.pi2fa-msg-success {
    background: #e8f5e9;
    color: #2e7d32;
    border-left: 3px solid #4caf50;
}

@keyframes pi2fa-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

@keyframes pi2fa-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 400px) {
    .pi2fa-digit-input {
        width: 36px;
        height: 44px;
        font-size: 20px;
    }

    .pi2fa-digit-separator {
        font-size: 18px;
    }
}